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A wire loop formed by two semicircular wires of radii R1 and R2 carries a current I as shown in figure.

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A wire loop formed by two semicircular wires of radii R1 and R2 carries a current I as shown in figure. The magnetic induction at the centre is :

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1 Answer

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Best answer

Correct option (c)

Explanation:

The current through both the semicircular loops flows in the same direction. Therefore, total magnetic field induction (B) at 'O' will be given by 

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