Question

A metallic sphere has a charge of $10\mu C$. A unit negative charge is brought from $A$to $B$ both $100cm$ away from the sphere but A being east of it while $B$being on west. The net work done is

• A. Zero
• B. $2/10\mspace{6mu} joule$
• C. $- 2/10\mspace{6mu} joule$
• D. $- 1/10\mspace{6mu} joule$

Answer 1

Answer: (A)

Zero

Answer 2

Since $V_{A} = V_{B}$ so $W_{A \rightarrow B} = 0$