ElectroMagnetic InductionHard
Question
A coil of 100 turns having an average area of 100 cm2 for each turn is held in a uniform field of 50 gauss. The direction of field being at right angles to the plane of coil. The field is removed in
sec. then average induced emf in the coil is:-
Options
A.0.5 V
B.10 V
C.15 V
D.50 V
More ElectroMagnetic Induction Questions
An LR circuit with a battery is connected at t = 0. Which of the following quantities are zero just after the connection...With decrease of current in the primary coil from 2 amperes to to zero value in 0.01 s the emf generated in the secondar...A coil of 10-2 H inductance carries a current I = 2sin (100t) A. When current is half of its maximum value, then at that...Cause of Ferromagnetism :-...Which one of the following is ferro-magnetic :-...