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The field at the centre of a long circul...

The field at the centre of a long circular coil carrying current will be parallel straight lines.

A

At at distances `(3r)/pi` from the centre of loop

B

At at distances `(2r)/pi` from the centre of loop

C

At at distances `(2r)/(3pi)` from the centre of loop

D

Not possible

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A
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RESONANCE ENGLISH-ELECTRODYNAMICS-Exercise-1 PART-2
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  15. An electric current I enters and leaves a uniform circular wire of rad...

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  16. Two prticles A and B having equal charges, after being accelerated thr...

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  17. A negative charged particle falling freely under gravity enters a regi...

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