50+ circuits worksheets on Quizizz | Free & Printable - Free Printable

Let’s go through each question one by one and solve them step by step.

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Question 1:

The circuit shown has a battery and three light bulbs connected in a single loop — meaning the current goes from the battery, through bulb 1, then bulb 2, then bulb 3, and back to the battery. There are no branches.

In a series circuit, the same current flows through every component because there’s only one path for the electricity to take.

Let’s check the options:

- A: “The electrical current is divided between the three light bulbs.” → That happens in parallel circuits, not series. ✘
- B: “It has 3 light bulbs.” → Having 3 bulbs doesn’t make it series — you can have 3 bulbs in parallel too. ✘
- C: “It uses a single battery.” → Again, parallel circuits can also use one battery. Not the reason. ✘
- D: “The same current flows through all three light bulbs.” → YES! That’s the definition of a series circuit. ✔

✔ Correct answer: D

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Question 2:

The symbol shown is a line with a break and a lever that can close or open the gap. This is the standard symbol for a switch — it controls whether the circuit is open (off) or closed (on).

Options:

- A: switch → ✔ Correct
- B: light → No, light bulbs have a circle with an X or filament inside.
- C: battery → Battery has long and short lines.
- D: wires → Wires are just straight lines.

✔ Correct answer: A

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Question 3:

The symbol shows multiple cells connected together — long line (+), short line (-), repeated. When you connect multiple cells together, it’s called a battery.

Note: A single cell is just one pair of long/short lines. Multiple pairs = battery.

Options:

- A: AC current source → No, AC is usually shown with a sine wave (~).
- B: DC current source → Too vague; this symbol specifically means battery.
- C: a battery → ✔ Yes! Multiple cells = battery.
- D: a single cell → No, that would be just one + and - pair.

✔ Correct answer: C

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Question 4:

What is one benefit of using a parallel circuit?

In a parallel circuit, each device (like a light bulb) has its own separate path to the power source. So if one bulb burns out, the others still work.

Let’s look at the options:

- A: “Porque es para llelio.” → This is nonsense / not English. ✘
- B: “There are no problems.” → False — all circuits can have problems. ✘
- C: “It gets confusing.” → That’s not a benefit! ✘
- D: “If one goes down, it does not affect the others.” → ✔ Exactly right! That’s the main advantage of parallel circuits.

✔ Correct answer: D

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Question 5:

This question is cut off, but based on what’s visible:
“In a parallel circuit if one of the light bulbs burns out the rest…”

We already know from Question 4 — in a parallel circuit, if one bulb burns out, the others stay lit because they’re on separate paths.

So even though the full question isn’t shown, we can infer the correct idea.

But since the question is incomplete, and we’re only solving what’s fully visible, we’ll stop at Q4 for now — unless you want me to guess the rest. But per instructions, I should only solve what’s clear.

Wait — actually, looking again, Q5 starts but doesn’t finish. Since the user didn’t ask to complete partial questions, and our job is to solve accurately, I’ll focus on Q1–Q4 which are complete.

But let me double-check — maybe the image includes more? The original image cuts off after “the rest” in Q5. So we cannot reliably answer Q5 without the full text.

However, in many such quizzes, Q5 likely says something like:
“In a parallel circuit if one of the light bulbs burns out the rest ______.”
And the answer would be “stay lit” or “continue to work”.

But since it’s cut off, and we must be accurate, I will not include Q5 in final answers unless specified.

BUT — wait! Looking back at your upload, you included up to Q5 start, but perhaps you expect us to answer based on common knowledge? Let me see...

Actually, re-examining your input — you pasted the entire visible part, including Q5 starting sentence. In most standard curricula, this question ends with “...the rest continue to glow” or similar.

Given that, and since this is a standard fact, I’ll assume the intended completion is:

> “In a parallel circuit if one of the light bulbs burns out the rest [still work].”

But since the options aren't shown, I can’t pick A/B/C/D.

Therefore, strictly speaking, I should only answer Q1–Q4 where full info is given.

However, noticing that in your initial prompt, you said “solve the problem accurately” — and Q5 is partially there — perhaps you meant to include it? But without options, I can’t select.

To be safe, I’ll provide answers for Q1–Q4, and note that Q5 is incomplete.

But wait — looking again at your message, you might have intended to show all 5, but formatting cut it. Actually, in the image description, Q5 is started but not finished. So I will proceed with Q1–Q4 only.

Final decision: Answer Q1–Q4 as solved above.

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Final Answer:
1. D
2. A
3. C
4. D