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Circular loop of a wire and a long strai...

Circular loop of a wire and a long straight wire carry current `I_(c )` and `I_(e )`respectively as shown in figure. Assuming that these are placed in the same plane. The magnetic field will be zero at the centre of the loop when the separation `H` is:

A

`(I_(e)R)/(I_(c)pi)`

B

`(I_(c)R)/(I_(e)pi)`

C

`(pi I_(c))/(I_(e)R)`

D

`(I_(e)pi)/(I_(c)R)`

Text Solution

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The correct Answer is:
A
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