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MHT CET 2022 Physics question

PhysicsAlternating CurrentMHT CET 2022

An inductance coil has a resistance of . When an a.c. signal of frequency 100 Hz is applied to the coil, the voltage leads the current by . The inductance of the coil in henry is []

Answer: (D)

Solution

For an R-L circuit the voltage leads the current by with . With , , so . Using :

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Question ID VK-093946