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Some equipotential plane parallel surfac...

Some equipotential plane parallel surfaces are shown in the figure. The planes are inclined to x-axis by 45° and distance from one plane to another plane along x-axis is 20cm. The electric field is:

A

177 V /m at 135° with x-axis

B

125 V/m at 45° with x-axis

C

177 V/m at 45° with x-axis

D

125 V/m at 135° with x-axis

Text Solution

Verified by Experts

The correct Answer is:
C
`E= (p.d "between two planes")/( i=1r "distance between the planes")=125 sqrt2 =177`
and direction of E is `bot` to eq. potential plane such the in the direction of elastic field potential is decreasing.
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