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If the electric field given by (5hat(i)+...

If the electric field given by `(5hat(i)+4hat(j)+9hat(k))`, then the electric flux through a surface of area 20 unit lying in the `yz`- plane will be

A

100 unit

B

80 unit

C

180 unit

D

200 unit

Text Solution

Verified by Experts

The correct Answer is:
A
Area vector =`20 hat i`
`phi=int overline E. overline (ds)=5 times 20=100 unit`
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