1.

5.WORK SII)iT-311CURRENT LOOP AND MAGNETIC-unifon oppeLength isbeatinto acincular coll of two turns and6acument ' is pased ihrough it. The conow behaves like a magoetis dipole osomentIL:/165

Answer»

Letn be the number of turns andR be the radius of the coil

ℓ=2πRn

R=ℓ/2πn

M=niA=iℓ^2/4πnHere, n=2;=>M=iℓ^2/8π

Option (2) is correct.



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