GATE Electrical Engineering (EE) 2021 Solved Papers

Question : 37 of 65

Marks: +1, -0

An air-core radio-frequency transformer as shown has a primary winding and a secondary winding. The mutual inductance

M

between the windings of the transformer is ___________

µ {H}

. (Round off to 2 decimal places.)

Solution:

{V}=ω {MI}

7.3=2 π × 100 × 10^{3} × {M} × \;{5}/{22}

{M}=\;{22 × 7.3}/{π × 10^{6}}=51.12 µ {H}

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