Question

A valtage of 200v is connected across a capacitor of a capacitance of 2.5uF. calculate the charge deposited on each plate

Answer 1

Energy stored in $2.5\ \mu f$ capacitor ;

$U_{2.5}=0.5\times C\times V^2\\U_{2. 5}=0.5×2.5×10 ^{-6}×200^2$

$U_{2.5}=0.05J$