SSC JE Electrical Engineering 24 Jan 2018 Evening Paper

Question : 129 of 200

Marks: +1, -0

What will be the mutual inductance (in mH)between the two coils. I f a cur r ent of 2 sin(100 πt) passes through one of the coil, whichinduces a maximum EMF of 10πV in the secondcoil?

Validate

Solution:

V = L {di}/{dt}

10π= L × 2 × 100π

L=1/20

= 50 mH

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