The work done in placing a charge of 8 × 10–18 coulomb on a condenser of capacity 100 micro-farad is
A. 3.1 × 10–26 joule
B. 4 × 10–10 joule
C. 32 × 10–32 joule
D. 16 × 10–232 joule
Answer:C
The work done in placing a charge of 8 × 10–18 coulomb on a condenser of capacity 100 micro-farad is
A. 3.1 × 10–26 joule B. 4 × 10–10 joule C. 32 × 10–32 joule D. 16 × 10–232 joule