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A parallel-plate capacitor is formed from two 6.0-cm-diameter electrodes spaced 2.0mmapart. The electric field strength inside the capacitor is 1.0×106N/C. What is the charge (in nC ) on each electrode?

Short Answer

Expert verified

One electrode has 25nCcharge and other one has -25nCcharge.

Step by step solution

01

Introduction

Electric field Einside circuit is: 1×106N/C. The plate of a circuit has a diameter of6cmand they are 20cmdistance apart.

Formula used

Due to the area capacitor, there is an electric field. Aand charge Q

E=QϵoA...........(1)(1)

02

Explanation

Radius of disk is

r=6cm2

=3cm

Now sum charge from equation (1)

Q=EϵoA

=1×106N/C8.85×10-12C2/N·m2π(0.03m)2

=25nC

03

Find the charge on one electrode

The charge on one electrode is 25nC, whereas the other is -25nC.

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