Electric Fields Worksheet with diagrams of charges and instructions to draw electric field lines.

Problem Analysis:

The task involves drawing electric field lines for different charge configurations and understanding how the electric field changes based on the nature of the charges. Let's solve each part step by step.

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1. Positive Charge (Single Charge)

- Description: A single positive charge (+).
- Electric Field Lines:
- Electric field lines originate from a positive charge.
- The lines are radially outward, indicating that the field points away from the charge.
- The density of the lines decreases with distance from the charge, showing that the field strength decreases with distance (inverse square law).

Diagram:
- Draw several straight lines originating from the positive charge, spreading outwards in all directions. Ensure the lines are evenly spaced near the charge and become more spread out as they move farther away.

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2. Negative Charge (Single Charge)

- Description: A single negative charge (−).
- Electric Field Lines:
- Electric field lines terminate at a negative charge.
- The lines are radially inward, indicating that the field points toward the charge.
- Similar to the positive charge, the density of the lines decreases with distance from the charge.

Diagram:
- Draw several straight lines terminating at the negative charge, converging inward from all directions. Ensure the lines are evenly spaced near the charge and become more spread out as they move farther away.

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3. Opposite Charges (Positive and Negative)

- Description: A positive charge (+) and a negative charge (−) placed some distance apart.
- Electric Field Lines:
- The field lines start at the positive charge and end at the negative charge.
- The lines are curved, showing the direction of the field from the positive charge to the negative charge.
- The lines are denser near the charges and less dense in the middle region between them.

Diagram:
- Draw lines starting from the positive charge and curving toward the negative charge. Ensure the lines do not cross each other and are symmetric about the line joining the two charges.

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4. Two Positive Charges

- Description: Two positive charges (+ +) placed some distance apart.
- Electric Field Lines:
- Both charges repel each other, so the field lines will originate from each charge and point outward.
- Between the two charges, the field lines will bend away from each other due to the repulsion.
- The lines will be denser near each charge and less dense in the middle region.

Diagram:
- Draw lines originating from both positive charges, curving outward. Ensure the lines do not cross and show the repulsive interaction between the charges.

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5. If the Charges in #4 Were Both Negative

- Description: Two negative charges (− −) placed some distance apart.
- Electric Field Lines:
- Both charges attract each other, so the field lines will terminate at each charge.
- Between the two charges, the field lines will bend toward each other due to the attraction.
- The lines will be denser near each charge and less dense in the middle region.

Explanation:
- If the charges in #4 were both negative, the field lines would still originate from one charge and terminate at the other, but the direction of the field would reverse compared to the positive charges. The lines would now converge toward the charges instead of diverging from them.

Diagram:
- Draw lines terminating at both negative charges, curving inward. Ensure the lines do not cross and show the attractive interaction between the charges.

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Final Answer Summary:

1. For a single positive charge: Radial outward lines originating from the charge.
2. For a single negative charge: Radial inward lines terminating at the charge.
3. For opposite charges (+ and −): Curved lines starting at the positive charge and ending at the negative charge.
4. For two positive charges: Curved lines originating from both charges, bending away from each other.
5. If the charges in #4 were both negative: Curved lines terminating at both charges, bending toward each other.

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