ElectroMagnetic InductionHard
Question
A circular coil of mean radius of 7 cm and having 4000 turns is rotated about its and of the diameter at the rate of 1800 revolutions per minute in the earth′s magnetic field 0.5 gauss, the induced emf in coil will be :-
Options
A.1.158 V
B.0.58 V
C.0.29 V
D.5.8 V
More ElectroMagnetic Induction Questions
Side of a square coil is 4 cm. A magnetic field normal to plane of coil is changing at a rate of 0.4 tesla/sec. If resis...An a.c. of 50 Hz and 1 A peak value flows in the primary coil of a transformer. The mutual inductance between primary an...The coercivity of a small magnet where the ferromagnet gets demagnetized is 3 × 103 A m-1. The current required to ...A superconductor exhibits perfect :-...In an AC generator, a coil with N turns, all of the same area A and total resistance R, rotates with frequency ω in...