Consider a circular loop that is uniformly charged and has a radius a√2. Find the position along the positive z-axis of the Cartesian coordinate system where the electric field is maximum, assuming the ring is placed in the xy-plane with its center at the origin:

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?