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The outward pull on a metal plate of are...

The outward pull on a metal plate of area `0.01m^(2)` having a charge density of `50muC//m^(2)` is

A

1.4 N

B

2.4 N

C

0.4 N

D

1.8 N

Text Solution

Verified by Experts

The correct Answer is:
A
`F=(sigma^(2)dS)/(2epsi_(0)k)=((50xx10^(-6))^(2)xx0.01)/(2xx8.85xx10^(-12)xx0.01)=1.4N.`
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NIKITA PUBLICATION-ELECTROSTATICS-Multiple Choice Questions
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