Question

Two Styrofoam blocks are brought near each other and are observed to repel each other. Each block has the same amount of charge on it. Which statement is true about this situation? A)the charge on each block must be positive B)the charge on each block must be negative C)the blocks are creating magnetic fields from non moving electric charges D)each block has the same kind of charge but we don't' know what kind it is

Answer 1

D)each block has the same kind of charge but we don't' know what kind it is

Explanation:

Two charges of the same type always repel each other.

In this case, it is not possible to know what type of load they are, only that they are the same.

Therefore, the correct answer is:

D)each block has the same kind of charge but we don't' know what kind it is