Electric Circuit Symbols Worksheet - Free Printable
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Step-by-step solution for: Electric Circuit Symbols Worksheet
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Show Answer Key & Explanations
Step-by-step solution for: Electric Circuit Symbols Worksheet
Let’s go step by step to match each circuit symbol with the correct component.
We’ll look at each numbered symbol and think about what it usually represents in a circuit diagram:
1) Two circles with a gap between them — this is an open switch. It shows that the circuit is broken and current can’t flow yet.
2) Just a straight line — this is a wire. It connects parts of the circuit and lets electricity flow through.
3) A rectangle with lines on both sides — this is a fuse. It’s a safety device that breaks the circuit if too much current flows.
4) A circle with the letter “A” inside — this is an ammeter. It measures electric current (in amps).
5) A line with a diagonal break and a circle — this is also an open switch, but drawn differently. Wait — actually, looking again, this one has a lever-like shape — yes, still an open switch. But we already used that for #1? Let’s check the list again.
Wait — let’s re-express all symbols clearly:
Actually, let’s list them properly based on standard symbols:
1) Two small circles with space — often used for terminals or open connection → open switch
2) Straight line — definitely wire
3) Rectangle with leads — fuse
4) Circle with “A” — ammeter
5) Switch symbol with lever up — open switch? But we have two open switches? That can’t be right.
Wait — let’s look again at #5: it’s drawn as a line with a diagonal arm and a circle — that’s actually a switch — and since it’s not closed, it’s an open switch. But we already assigned #1 to open switch? Hmm.
Actually, let’s compare with the answer choices:
The components listed are:
- fuse
- ammeter
- power supply
- open switch
- cell
- wire
- voltmeter
- bulb
- motor
- buzzer
Now let’s match carefully:
1) Symbol: two dots with space — this is often used for a cell? No — a cell is usually long line and short line.
Wait — I think I made a mistake. Let me recall standard symbols:
Standard symbols:
- Cell: one long line (positive), one short line (negative) — that’s #7
- Battery: multiple cells — not here
- Wire: straight line — #2
- Open switch: a gap with a lever — #5 looks like that
- Closed switch: no gap — not shown
- Fuse: rectangle with line through — #3
- Ammeter: circle with A — #4
- Voltmeter: circle with V — #10
- Bulb: circle with X — #6
- Motor: circle with M — #8
- Buzzer: triangle with line — #9
- Power supply: sometimes shown as battery or special symbol — #7 is cell, which is a type of power supply? But “power supply” might refer to AC/DC adapter symbol — but here #7 is clearly a cell.
Wait — let’s assign based on common textbook symbols:
1) Two circles with space — this is actually a cell? No — cell is lines.
Actually, looking again — symbol #1 is two small circles with nothing between — that’s often used for terminals or open switch. But in many worksheets, this is matched to cell? No.
I think I need to use logic from the list.
Let me try matching one by one with confidence:
#2: straight line → wire → matches "wire"
#3: rectangle with lines → fuse → matches "fuse"
#4: circle with A → ammeter → matches "ammeter"
#6: circle with X → bulb → matches "bulb"
#7: long and short lines → cell → matches "cell"
#8: circle with M → motor → matches "motor"
#9: triangle with line → buzzer → matches "buzzer"
#10: circle with V → voltmeter → matches "voltmeter"
That leaves #1 and #5.
#1: two circles with space — this is typically an open switch in some diagrams, but let’s see #5.
#5: a line with a diagonal break and a circle — this is definitely an open switch.
But we have only one “open switch” in the list.
Wait — perhaps #1 is meant to be power supply? No, power supply isn't typically two circles.
Another thought: in some systems, two circles with space might represent a battery or cell, but #7 is clearly a cell.
Perhaps #1 is open switch and #5 is something else? But #5 is classic open switch.
Let me check online or standard knowledge:
Actually, upon second thought, symbol #1 (two circles with space) is often used for terminals or connectors, but in basic circuits, it might be misdrawn. However, in many school worksheets, this symbol is matched to cell — but that doesn’t make sense because #7 is cell.
Wait — let’s look at the image description again (even though I shouldn’t describe it, I need to reason).
Perhaps #1 is open switch and #5 is also open switch? But the list has only one "open switch".
Unless... maybe #5 is a switch and it's considered "open switch", and #1 is something else.
Another idea: symbol #1 might be a battery symbol in some styles, but usually it's lines.
I recall that in some diagrams, two circles with a gap is used for a switch when open.
But let’s count the matches we have:
We have 10 symbols and 10 components.
Assigned so far confidently:
2 - wire
3 - fuse
4 - ammeter
6 - bulb
7 - cell
8 - motor
9 - buzzer
10 - voltmeter
That’s 8.
Left: #1 and #5
Components left: open switch, power supply
Now, what is "power supply"? In simple circuits, a cell or battery is a power supply. But #7 is already cell.
Symbol #7 is a cell, which is a type of power supply. But the list has both "cell" and "power supply", so they must be different.
What symbol represents "power supply"? Sometimes it's shown as a rectangle with + and -, or as a battery symbol.
But in this list, #7 is cell, so perhaps "power supply" is not used, or maybe #1 is power supply?
Symbol #1: two circles — this could be interpreted as terminals of a power supply.
In many educational contexts, two circles with space is used for open switch.
And #5: the lever switch — also open switch.
This is confusing.
Perhaps #5 is a switch and it's "open switch", and #1 is power supply.
Let me think differently. Let's look at the symbols as per standard:
Upon recalling, in many UK-based worksheets (since the source is "tutoringhour.com" which is international), the symbol with two circles is often for cell — but that contradicts #7.
Wait, no — #7 is clearly the cell symbol (long and short line).
Another possibility: symbol #1 might be a battery symbol in some styles, but usually it's multiple cells.
Perhaps "power supply" is represented by #7, but #7 is labeled as cell in the list.
Let's read the components again: the list has "cell" and "power supply" as separate items.
So, cell is a single cell, power supply might be a battery or adapter.
But in the symbols, #7 is cell, so what is power supply?
Symbol #1: two circles — this might be intended for power supply in this context.
But I think I found the issue.
Let me search my memory: in some diagrams, the symbol with two circles is for a switch when open, and the lever type is also for switch.
But perhaps in this worksheet, #1 is "open switch" and #5 is "power supply"? That doesn't make sense.
Let's look at #5: it's a switch symbol with the lever up, so it's open — so "open switch".
Then #1 must be "power supply".
But what does power supply look like? Sometimes it's shown as a rectangle with + and -, or as a battery.
Symbol #1 is two circles — this is not standard for power supply.
Perhaps it's a mistake, but I need to decide.
Another thought: in some systems, two circles with space is used for terminals of a power supply, so it might be matched to "power supply".
Whereas #5 is clearly a switch.
So let's go with:
1 - power supply
5 - open switch
But is that accurate? Let's see if there's a better way.
I recall that in some textbooks, the symbol for a cell is sometimes drawn as two circles, but that's rare.
Perhaps #1 is "cell" and #7 is "power supply", but #7 is the standard cell symbol.
Let's check the answer logically.
We have to match all, so let's list the matches as per common practice:
After double-checking with standard electric circuit symbols:
- 1) Two circles with space: This is often used for a cell in some simplified diagrams, but typically it's not. However, in this context, since #7 is the standard cell, perhaps #1 is something else.
I think I made a error earlier.
Let me start over with a reliable method.
Standard symbols:
- Wire: straight line → #2
- Fuse: rectangle with line → #3
- Ammeter: circle with A → #4
- Open switch: a gap with a lever or diagonal line → #5 is perfect for this
- Cell: long line and short line → #7
- Bulb: circle with X → #6
- Motor: circle with M → #8
- Buzzer: triangle with line → #9
- Voltmeter: circle with V → #10
That leaves #1 and the components "open switch" and "power supply" are taken by #5 and ?
Components left: open switch and power supply.
But #5 is open switch, so #1 must be power supply.
What is the symbol for power supply? In many diagrams, it's shown as a battery symbol, which is multiple cells, or as a rectangle.
But in this case, #1 is two circles — this might be intended for power supply as terminals.
Perhaps in this worksheet, "power supply" is matched to #1.
Another idea: symbol #1 might be a battery symbol, but it's drawn poorly.
I think for the sake of completing, let's assume:
1 - power supply
5 - open switch
But let's verify with the number of items.
Perhaps "open switch" is #1, and #5 is something else, but #5 is clearly a switch.
Let's look at the symbol for #5: it's a line with a diagonal arm and a circle at the end — this is definitely an open switch.
For #1: two circles with space — in some contexts, this is used for a switch when open, but usually it's with a line.
I recall that in some diagrams, two circles are used for terminals, and if it's for a power source, it might be "power supply".
Moreover, in the list, "power supply" is there, and it's not matched yet.
So, I'll go with:
1 - power supply
2 - wire
3 - fuse
4 - ammeter
5 - open switch
6 - bulb
7 - cell
8 - motor
9 - buzzer
10 - voltmeter
This seems reasonable.
To confirm, let's see if "power supply" can be represented by two circles — in some educational materials, yes, as the output terminals.
Whereas "cell" is specifically the electrochemical cell symbol.
So, final matching:
1) power supply
2) wire
3) fuse
4) ammeter
5) open switch
6) bulb
7) cell
8) motor
9) buzzer
10) voltmeter
Yes, that covers all.
Final Answer:
1) power supply
2) wire
3) fuse
4) ammeter
5) open switch
6) bulb
7) cell
8) motor
9) buzzer
10) voltmeter
We’ll look at each numbered symbol and think about what it usually represents in a circuit diagram:
1) Two circles with a gap between them — this is an open switch. It shows that the circuit is broken and current can’t flow yet.
2) Just a straight line — this is a wire. It connects parts of the circuit and lets electricity flow through.
3) A rectangle with lines on both sides — this is a fuse. It’s a safety device that breaks the circuit if too much current flows.
4) A circle with the letter “A” inside — this is an ammeter. It measures electric current (in amps).
5) A line with a diagonal break and a circle — this is also an open switch, but drawn differently. Wait — actually, looking again, this one has a lever-like shape — yes, still an open switch. But we already used that for #1? Let’s check the list again.
Wait — let’s re-express all symbols clearly:
Actually, let’s list them properly based on standard symbols:
1) Two small circles with space — often used for terminals or open connection → open switch
2) Straight line — definitely wire
3) Rectangle with leads — fuse
4) Circle with “A” — ammeter
5) Switch symbol with lever up — open switch? But we have two open switches? That can’t be right.
Wait — let’s look again at #5: it’s drawn as a line with a diagonal arm and a circle — that’s actually a switch — and since it’s not closed, it’s an open switch. But we already assigned #1 to open switch? Hmm.
Actually, let’s compare with the answer choices:
The components listed are:
- fuse
- ammeter
- power supply
- open switch
- cell
- wire
- voltmeter
- bulb
- motor
- buzzer
Now let’s match carefully:
1) Symbol: two dots with space — this is often used for a cell? No — a cell is usually long line and short line.
Wait — I think I made a mistake. Let me recall standard symbols:
Standard symbols:
- Cell: one long line (positive), one short line (negative) — that’s #7
- Battery: multiple cells — not here
- Wire: straight line — #2
- Open switch: a gap with a lever — #5 looks like that
- Closed switch: no gap — not shown
- Fuse: rectangle with line through — #3
- Ammeter: circle with A — #4
- Voltmeter: circle with V — #10
- Bulb: circle with X — #6
- Motor: circle with M — #8
- Buzzer: triangle with line — #9
- Power supply: sometimes shown as battery or special symbol — #7 is cell, which is a type of power supply? But “power supply” might refer to AC/DC adapter symbol — but here #7 is clearly a cell.
Wait — let’s assign based on common textbook symbols:
1) Two circles with space — this is actually a cell? No — cell is lines.
Actually, looking again — symbol #1 is two small circles with nothing between — that’s often used for terminals or open switch. But in many worksheets, this is matched to cell? No.
I think I need to use logic from the list.
Let me try matching one by one with confidence:
#2: straight line → wire → matches "wire"
#3: rectangle with lines → fuse → matches "fuse"
#4: circle with A → ammeter → matches "ammeter"
#6: circle with X → bulb → matches "bulb"
#7: long and short lines → cell → matches "cell"
#8: circle with M → motor → matches "motor"
#9: triangle with line → buzzer → matches "buzzer"
#10: circle with V → voltmeter → matches "voltmeter"
That leaves #1 and #5.
#1: two circles with space — this is typically an open switch in some diagrams, but let’s see #5.
#5: a line with a diagonal break and a circle — this is definitely an open switch.
But we have only one “open switch” in the list.
Wait — perhaps #1 is meant to be power supply? No, power supply isn't typically two circles.
Another thought: in some systems, two circles with space might represent a battery or cell, but #7 is clearly a cell.
Perhaps #1 is open switch and #5 is something else? But #5 is classic open switch.
Let me check online or standard knowledge:
Actually, upon second thought, symbol #1 (two circles with space) is often used for terminals or connectors, but in basic circuits, it might be misdrawn. However, in many school worksheets, this symbol is matched to cell — but that doesn’t make sense because #7 is cell.
Wait — let’s look at the image description again (even though I shouldn’t describe it, I need to reason).
Perhaps #1 is open switch and #5 is also open switch? But the list has only one "open switch".
Unless... maybe #5 is a switch and it's considered "open switch", and #1 is something else.
Another idea: symbol #1 might be a battery symbol in some styles, but usually it's lines.
I recall that in some diagrams, two circles with a gap is used for a switch when open.
But let’s count the matches we have:
We have 10 symbols and 10 components.
Assigned so far confidently:
2 - wire
3 - fuse
4 - ammeter
6 - bulb
7 - cell
8 - motor
9 - buzzer
10 - voltmeter
That’s 8.
Left: #1 and #5
Components left: open switch, power supply
Now, what is "power supply"? In simple circuits, a cell or battery is a power supply. But #7 is already cell.
Symbol #7 is a cell, which is a type of power supply. But the list has both "cell" and "power supply", so they must be different.
What symbol represents "power supply"? Sometimes it's shown as a rectangle with + and -, or as a battery symbol.
But in this list, #7 is cell, so perhaps "power supply" is not used, or maybe #1 is power supply?
Symbol #1: two circles — this could be interpreted as terminals of a power supply.
In many educational contexts, two circles with space is used for open switch.
And #5: the lever switch — also open switch.
This is confusing.
Perhaps #5 is a switch and it's "open switch", and #1 is power supply.
Let me think differently. Let's look at the symbols as per standard:
Upon recalling, in many UK-based worksheets (since the source is "tutoringhour.com" which is international), the symbol with two circles is often for cell — but that contradicts #7.
Wait, no — #7 is clearly the cell symbol (long and short line).
Another possibility: symbol #1 might be a battery symbol in some styles, but usually it's multiple cells.
Perhaps "power supply" is represented by #7, but #7 is labeled as cell in the list.
Let's read the components again: the list has "cell" and "power supply" as separate items.
So, cell is a single cell, power supply might be a battery or adapter.
But in the symbols, #7 is cell, so what is power supply?
Symbol #1: two circles — this might be intended for power supply in this context.
But I think I found the issue.
Let me search my memory: in some diagrams, the symbol with two circles is for a switch when open, and the lever type is also for switch.
But perhaps in this worksheet, #1 is "open switch" and #5 is "power supply"? That doesn't make sense.
Let's look at #5: it's a switch symbol with the lever up, so it's open — so "open switch".
Then #1 must be "power supply".
But what does power supply look like? Sometimes it's shown as a rectangle with + and -, or as a battery.
Symbol #1 is two circles — this is not standard for power supply.
Perhaps it's a mistake, but I need to decide.
Another thought: in some systems, two circles with space is used for terminals of a power supply, so it might be matched to "power supply".
Whereas #5 is clearly a switch.
So let's go with:
1 - power supply
5 - open switch
But is that accurate? Let's see if there's a better way.
I recall that in some textbooks, the symbol for a cell is sometimes drawn as two circles, but that's rare.
Perhaps #1 is "cell" and #7 is "power supply", but #7 is the standard cell symbol.
Let's check the answer logically.
We have to match all, so let's list the matches as per common practice:
After double-checking with standard electric circuit symbols:
- 1) Two circles with space: This is often used for a cell in some simplified diagrams, but typically it's not. However, in this context, since #7 is the standard cell, perhaps #1 is something else.
I think I made a error earlier.
Let me start over with a reliable method.
Standard symbols:
- Wire: straight line → #2
- Fuse: rectangle with line → #3
- Ammeter: circle with A → #4
- Open switch: a gap with a lever or diagonal line → #5 is perfect for this
- Cell: long line and short line → #7
- Bulb: circle with X → #6
- Motor: circle with M → #8
- Buzzer: triangle with line → #9
- Voltmeter: circle with V → #10
That leaves #1 and the components "open switch" and "power supply" are taken by #5 and ?
Components left: open switch and power supply.
But #5 is open switch, so #1 must be power supply.
What is the symbol for power supply? In many diagrams, it's shown as a battery symbol, which is multiple cells, or as a rectangle.
But in this case, #1 is two circles — this might be intended for power supply as terminals.
Perhaps in this worksheet, "power supply" is matched to #1.
Another idea: symbol #1 might be a battery symbol, but it's drawn poorly.
I think for the sake of completing, let's assume:
1 - power supply
5 - open switch
But let's verify with the number of items.
Perhaps "open switch" is #1, and #5 is something else, but #5 is clearly a switch.
Let's look at the symbol for #5: it's a line with a diagonal arm and a circle at the end — this is definitely an open switch.
For #1: two circles with space — in some contexts, this is used for a switch when open, but usually it's with a line.
I recall that in some diagrams, two circles are used for terminals, and if it's for a power source, it might be "power supply".
Moreover, in the list, "power supply" is there, and it's not matched yet.
So, I'll go with:
1 - power supply
2 - wire
3 - fuse
4 - ammeter
5 - open switch
6 - bulb
7 - cell
8 - motor
9 - buzzer
10 - voltmeter
This seems reasonable.
To confirm, let's see if "power supply" can be represented by two circles — in some educational materials, yes, as the output terminals.
Whereas "cell" is specifically the electrochemical cell symbol.
So, final matching:
1) power supply
2) wire
3) fuse
4) ammeter
5) open switch
6) bulb
7) cell
8) motor
9) buzzer
10) voltmeter
Yes, that covers all.
Final Answer:
1) power supply
2) wire
3) fuse
4) ammeter
5) open switch
6) bulb
7) cell
8) motor
9) buzzer
10) voltmeter
Parent Tip: Review the logic above to help your child master the concept of basic electricity worksheet.