Question

A large conducting plate of surface area A and thickness d is placed perpendicular to a uniform electric field E. the amount of electrostatic energy stored within the conductor isAd. Find the value of X?

Answer 1

Answer:

The electric field due to the conducting plane near cube is E=

ϵ

0

σ

The energy stored in cube is U=

2

ϵ

0

∫E

2

dτ=

2ϵ

0

σ

2

∫dτ=

2ϵ

0

σ

2

×(Volume of cube)

or U=

2×8.85×10

−12

10

−4

×10

−6

=5.6J