SSC JE Electrical Engineering 26 Sep 2019 Shift 1 Paper

Question : 129 of 200

Marks: +1, -0

Two coupled coils with

L_1 = L_2 = 0.5

H have a coupling coefficient of K = 0.75. The turn ratio

N_1\/N_2 = ?

Solution:

L_1 = L_2 = 0.5H

K = 0.75

N_1/N_2= ?

N_1/N_2= k√{L_1/L_2

N_1/N_2=0.75≈1

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