The work done in placing a charge of $8 \times 10^{-18}$ coulomb on a condenser of capacity 100 micro-farad is (1) $16 \times 10^{-32}$ joule (2) $3.1 \times 10^{-26}$ joule (3) $4 \times 10^{-10}$ joule (4) $32 \times 10^{-32}$ joule
The work done in placing a charge of $8 \times 10^{-18}$ coulomb on a condenser of capacity 100 micro-farad is\\
(1) $16 \times 10^{-32}$ joule\\
(2) $3.1 \times 10^{-26}$ joule\\
(3) $4 \times 10^{-10}$ joule\\
(4) $32 \times 10^{-32}$ joule