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A cone lies in a uniform electric field ...

A cone lies in a uniform electric field `E` as shown in figure. The electric flux entering the cone is

A

ER h

B

ER h/3

C

ER h/4

D

2ER h

Text Solution

Verified by Experts

The correct Answer is:
A

Projected area of the cone perpendicular to uniform electric field is just one triangle .
Electric flux can be written as
`phi=E(1/2xxhxx2R)=E hR`
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