Question

What happens when an ebonite rod is rubbed with wool?

• A. Only ebonite rod acquires charge.
• B. Both, ebonite rod and wool, acquire opposite charges
• C. Both, ebonite rod and wool, acquire similar charges
• D. Neither the ebonite rod, nor the wool, acquire any charge.

Answer 1

The correct option is B Both, ebonite rod and wool, acquire opposite charges

When ebonite rod is rubbed with wool, ebonite rod acquires a negative charge while wool acquires a positive charge. Hence, they acquire equal and opposite charges.