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Question

Physics Question on Inductance

Two inductance coils made of different metal wires are having the same inductance . But their time constants are in the ratio 1 : 2. Then the ratio of their resistances is

A

1:02

B

1:21 : \sqrt2

C

2:1\sqrt2 :1

D

2:01

Answer

2:01

Explanation

Solution

t1t2=R2R1\frac{t_1}{t_2} = \frac{R_2}{R_1}