In the given circuit, with steady current, the potential drop across the capacitor must be

Options

A. V
B. `(V)/(2)`
C. `(V)/(3)`
D. `(2V)/(3)`

Answer

C

Explanation

`I=(2V-V)/(3R)=(V)/(3R)`
apply loop law in upper loop
`IR+V-V-V_(C)=0` or
`V_(C)=IR=(V)/(3R)R` or `V_(C)=(V)/(3)`.