Question

169 A parallel plate capacitor having a plate area A and plate separation d is joined to a battery of emf Even and internal resistance R at t=0. Consider a plane surface of area A/2, parallel to the plates and situated symmetrically between them. Define displacement resistance Rd=V/id (where id is displacement current) of the space between the plates where V is the potential difference between the plates. Show that Rd varies with time as

Answer 1