Two identical coils each having inductance L are placed together on the same core. If an overall inductance of \alpha L is obtained by interconnecting these two coils, the minimum value of \alpha is ________.

GATE Electrical Engineering (EE) 2015 Shift 2 Solved Paper

Question : 56 of 65

Marks: +1, -0

Two identical coils each having inductance

L

are placed together on the same core. If an overall inductance of

α L

is obtained by interconnecting these two coils, the minimum value of

α

is ________.

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