Questions
In an induction coil with resistance, the induced emf will be maximum when
a
The switch is put on due to high resistance
b
The switch is put off due to high resistance
c
The switch is put on due to low resistance
d
The switch is put off due to low resistance
detailed solution
Correct option is B
At the break of primary circuit,ε=Mdidt Or didt is large then there is large change in εTalk to our academic expert!
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Two conducting circular loops of radii R1 and R2 are placed in the same plane with their centers coinciding. If , the mutual inductance M between them will be directly proportional to
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