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If the current flowing in ABCD is I. The...

If the current flowing in ABCD is I. Then the field at P as shown in the figure will be

A

`(mu_(0)I theta)/(4 pi)((1)/(a)+(1)/(b))`

B

`(mu_(0)I theta)/(4 pi)((1)/(a) - (1)/(b))`

C

`(mu_(0)I theta)/(4 pi)(a + b)`

D

`(mu_(0)I theta)/(4 pi)((1)/(b)-(1)/(a))`

Text Solution

Verified by Experts

The correct Answer is:
B
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TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-CRITICAL THINKING
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