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Class 12 NEET Physics Electromagnetic Induction and Alternating Currents

Section: Physics

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Question : 3 of 116

Marks: +1, -0

Let us consider two solenoids A and B, made from same magnetic material of relative permeability µr and equal area of cross-section. Length of A is twice that of B and the number of turns per unit length in A is half that of B. The ratio of self inductances of the two solenoids, LA:LB is

1:2
2:1
8:1
1:8

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