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Physics
In an induction coil with resistance, the induced emf will be maximum when
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Q. In an induction coil with resistance, the induced emf will be maximum when
Rajasthan PET
Rajasthan PET 2004
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
Solution:
Resistance becomes infinite when switch is closed, therefore current goes to zero and emf induced in a circuit, where the value is maximum.