Question

An e.m.f. of 100 mV is induced in a coil when the current in another near by coil becomes 10 A from zero to 0.1 s. The coefficient of mutual induction between the coil is ​

Answer 1

Answer:

induced emf e=100mV

=100×10

−3

V=0.1V

e=m

Δt

Δi

e=m.(

t

2

−t

1

i

2

−i

1

)

0.1=m(

0.1−0

10−0

)

m=

100

0.1

=10

−3

H

m=1mH

Answer Byavatar

Rythm Dhaliwal

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