Question

If two charges attract to each other, then which of the following is true?

A.
Both charges must be positive.

B.
Both charges must be negative.

C.
Both charges must be different.

D.
Both charges must be equal in value.

Answer 1

For two charges to attract each other, they must be of opposite types. This means one charge must be positive and the other charge must be negative. Given the options provided:

A. Both charges must be positive. (False - they would repel each other)
B. Both charges must be negative. (False - they would repel each other)
C. Both charges must be different. (True - one must be positive and one must be negative)
D. Both charges must be equal in value. (False - they do not have to be equal in value; they just need to be opposite)

Therefore, the correct answer is:

C. Both charges must be different.