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Question

- 450
- 600
- 300
- None of these

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Solution

Verified by Toppr

μ=iA where A= Area of loop

pE=iAcosθ×B=0.01

0.7×4×π×4×10−4cosθ=0.01

cosθ=0.01×10−416π×0.7=10050×0.7=20.7

cosθ>1 is not possible.

So option C is correct.

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