In an electric field, a charge q moves along a closed path or along an equipotential surface between two points A and B under electrostatic forces. The net work done by the electrostatic field is:

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?