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Physics - EMI/AC Question with Solution | TestHub

PhysicsEMI/ACSelf and mutual inductorMedium3 minQB

PhysicsMediumsingle choice

Two coils are placed in such a manner that the effective flux linked with one coil is completely linked with the other. If $L_{1}$ and $L_{2}$ are their self inductances and $M$ is the mutual inductance between the coils, then:

Options:

Answer:

Solution:

For perfect coupling the coupling coefficient is:
$k = 1$
$M = k L_{1} L_{2} = L_{1} L_{2}$
Option (B).

Subject:PhysicsTopic:EMI/ACSubtopic:Self and mutual inductor

⏱ 3mℹ️ Source: QB

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