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Consider three objects: A, B, and C. If A is positively charged, B repels A, and C is attracted by A, what can you say about the charge on B and C?

A.
B is positively charged and C is negatively charged.
B.
B is negatively charged and C is positively charged.
C.
Both B and C are positively charged.
D.
Both B and C are negatively charged.
E.
B has no charge and C is positively charged.

1 answer

To analyze the situation with the objects A, B, and C, we need to consider the principles of electrostatics:

  1. A is positively charged.
  2. B repels A. This means that B must also be positively charged (like charges repel each other).
  3. C is attracted by A. Since A is positively charged, C must therefore be negatively charged (opposite charges attract each other).

Now, based on this reasoning, we can deduce the charges:

  • B is positively charged.
  • C is negatively charged.

Thus, the correct answer is:

A. B is positively charged and C is negatively charged.