Question

Choose the correct answer from the alternatives given.
Displacement current goes through the gap between the plates of a capacitor when the charge of the capacitor

• A. increases
• B. decreases
• C. increases or decreases
• D. is zero

Answer 1

Answer: (C)

increases or decreases

Displacement current inside a capacitor is given by:-

$i_d={ϵ}_0\frac{{\varphi }_E}{dt}$

where ${\varphi }_E$ is the electric flux inside the capacitor

The displacement current is developed inside a capacitor when there is a change in the electric flux linked with the capacitor. The change in electric flux can occur in both the cases either the charge increases or decreases on the capacitor. This will lead to a change in flux linked with the coil.

Thus, option $\left(C\right)$ is correct.