Question

Around a stationary charge of +5µC, another charge -5µC is taken once round a circle of radius 4 cm. The amount of work done in Joule is

• A. $\frac{2\pi}{5}$
• B. $\frac{3\pi}{8}$
• C. zero
• D. $\frac{4\pi}{5}$
• E. $\frac{\pi}{4}$

Answer 1

Answer: (C)

zero

Answer 2

The correct option is (C) : zero