A condenser of capacity $50\,\mu F$ is charged to $10\;volts$. Its energy is equal to
A condenser of capacity $50\,\mu F$ is charged to $10\;volts$. Its energy is equal to
- A
$2.5 \times {10^{ - 3}}\;joule$
- B
$2.5 \times {10^{ - 4}}\;joule$
- C
$5 \times {10^{ - 2}}\;joule$
- D
$1.2 \times {10^{ - 8}}\;joule$
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