SSC JE Electrical Engineering 2014 Set 2 Paper

Question : 168 of 200

Marks: +1, -0

The mutual inductance between two unity coupled coils of 9 H and 4 H will be :

Solution:

∵

M = K √{L_1 L_2}

For mutual inductance between two unity coupled coils, K = 1.
∴

M = √{L_1 L_2} =√{9×4}=

6H
∴ Option (c) is correct.

Go to Question:

Prev Question

Next Question