Displacement current is set up between the plates of a capacitor when the potential difference across the plates is

Options

A. is increasing with time
B. is decreasing with time
C. has assumed a constant value
D. becomes zero

Answer

A, B

Explanation

`i_(D)=in_(0)(dphi)/(dt)= in_(0)=(AdB)/(dt`
`i_(D)ne0` whenever `(dB)/(dt)ne0`