List of top Physics Questions on Capacitance asked in CBSE CLASS XII

A parallel plate capacitor is charged by an ac source. Show that the sum of conduction current (\( I_c \)) and the displacement current (\( I_d \)) has the same value at all points of the circuit.
When a dielectric slab is inserted between the plates of an isolated charged capacitor, the energy stored in it:
Which of the following statements about dielectrics is correct?