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Both the number of turns and the core length of an...

This question belongs to Electronics And Communications Engineering Electromagnetic Induction
Electromagnetic Induction
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Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be

Answer & Solution
Correct Answer: Option B
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Khuram Shahzad
Khuram Shahzad 5 years ago
L = constant * N2/l
L' = constant * (2N)2/2l
L' = c * 4N2/2l
L' = c*2N2/l
L' = 2(c*N2/l)
L' = 2(L)
L' = increased to deuble
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