1.

Two coils of self inductances 2 mH and 8 mH areplaced so close together that the effective fluxin one coil is completely linked with the other.The mutual inductance between these coils is(a) 6mH(c) 16mH(b) 4mH(d) 10mH

Answer»

(d) 10mH is the answer i guess

the mutual inductance is given by √(L1*L2)here L1 = 2mH , and L2 = 8mH so, mutual inductance = √2*8 = √16 = 4mH.

option B.



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