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A circular disc of radius r is placed al...

A circular disc of radius r is placed along the plane of paper .A uniform electric field `vecE` is also present in the plane of paper . What amount of electric flux is associated with it ?

A

`Epir^(2)`

B

Zero

C

`2Epir`

D

`(pir^(2)q)/(E)`

Text Solution

Verified by Experts

The correct Answer is:
B
Electric lines of forces are not passing through is zero and electric lines of force are perpendie areal plane of disc so according to the relaties again be zero .
`phi=E.Acostheta(costheta=90^(@)=0)`
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