A parallel plate capacitor is having plate area equal to A and constant current I is flowing to charge the capacitor . Consider a circle of radius r , parallel to the plates of capacitor . Find the displacement current through the surface enclosed by this circle .Assume size of the circle is smaller than of the size of plate of capacitor .

Explanation

To find the displacement current through the surface enclosed by a circle of radius \( r \) parallel to the plates of a parallel plate capacitor, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Problem**:
- We have a parallel plate capacitor with plate area \( A \) and a constant current \( I \) charging the capacitor.
- We consider a circle of radius \( r \) that is parallel to the plates of the capacitor.
- The goal is to find the displacement current through the surface enclosed by this circle.
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