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A circular disc of radius 0.2 m is place...

A circular disc of radius `0.2 m` is placed in a uniform magnetic fied of induction `(1)/(pi) ((Wb)/(m^(2)))`
in such a way that its axis makes an angle of `60^(@)` with The magnetic flux linked with the disc is

A

0.02Wb

B

0.06Wb

C

0.08Wb

D

0.01Wb

Text Solution

Verified by Experts

The correct Answer is:
A
Here, `r=0.2m,B=(1)/(pi)Wbm^(-2),theta=60^(@)`
`:.` Magnetic flux,
`phi=BAcostheta=B(pir^(2))costheta`
`(1)/(pi)pi(0.2)^(2)cos60^(@)=0.02Wb`
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