ElectroMagnetic InductionHard
Question
A cylindrical bar magnet is kept along the axis of a circular coil. If the magnet is rotated about its axis then
Options
A.A current will be induced in coil
B.No current will be induced in coil
C.Only an e.m.f. will be induced in the coil
D.An e.m.f. and a current both will be induced in the coil
More ElectroMagnetic Induction Questions
A circular loop of radius r is moved with a velocity v as shown in the diagram. The work needed to maintain its velocity...A wire of length l is moved with a constant velocity in a magnetic field. A potential difference appears across the two ...In the circuit, as shown in the figure, if the value of R.M.S. current is 2.2 ampere, the power factor of the box is...Two geometrically identical cycle wheels have different number of spokes connected from centre to rim. One is having 20 ...The area of B-H loop for soft iron, as compared to that for steel is :-...