ElectroMagnetic InductionHard
Question
A circular iron, core supports N turns. If a current I produces a magnetic flux φ across the core′s cross section, then the magnetic energy is :-
Options
A.Iφ
B.
iφ
iφC.Iφ
D.I2φ
More ElectroMagnetic Induction Questions
A current carrying infinitely long wire is kept along the diameter of a circular wire loop, withouttouching it, the corr...Plane of eddy circulations makes an angle with the external time varying magnetic field is :-...In the figure shown, the magnet is pushed towards the fixed ring along the axis of the ring and it passes through the ri...A two metre wire is moving with a velocity of 1m/sec perpendicular to a magnetic field of 0.5 Wb/m2. The induced emf wil...A coil of wire having finite inductance and resistance has conducting ring placed co-axially with in it. The coil is con...