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A wire bent in the form of a sector of r...

A wire bent in the form of a sector of radius r subtending an angle `theta^(@)` at centre as shown in figure is carrying a current I. The magnetic field at O is :

A

`(mu_(0) I)/(2r) theta`

B

`(mu_(0) I)/(2r) (theta//180)`

C

`(mu_(0) I)/(2r) (theta // 360)`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
C
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