Unit of electric flux is

Options

A. Vm
B. N-m/C
C. V/m
D. C/N-m

Answer

A

Explanation

The electric flux through an element is
`dphi_(E)=(dS)(E cos theta)`
`=E ds cos theta =E.dS`
Hence, `" "phi_(E)=E.S=(V)/(d).S`
`therefore" Unit of "phi_(E)=("volt"xx"metre"^(2))/("metre")="volt-metre"`