Figure. Shows a small loop carrying a cu...

Figure. Shows a small loop carrying a current I. The curved portion is an arc of a circle of radius R and the straight portion is a chord to the same circle subtending an angle `theta`. The magnetic induction at centor O is

A

Zero

B

Always inward irrespective of the value of `theta`

C

Inward as long as θ is less than `pi`

D

Always outward irrespective of the value of `theta`

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The correct Answer is:

C

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