ElectroMagnetic InductionHard
Question
The magnetic susceptibility of a paramagnetic substance is 3 × 10-4. It is placed in a magnetising field of 4 × 104 A/m. The intensity of magnetisation will be :-
Options
A.3 × 108 A/m
B.12 × 108 A/m
C.12 A/m
D.24 A/m
More ElectroMagnetic Induction Questions
The armature of D.C. motor has 20Ω resistance it draws current of 1.5 ampere when run by 220 volts D.C. supply. The...A flexible wire bent in the form of a circle is placed in a uniform magnetic field perpendicular to the plane of the coi...When a piece of a ferromagnetic substance is put in a uniform magnetic field. Flux density inside it is four times the f...In the circuit shown in the figure, the A.C. source gives a voltage V = 20 cos (2000 t) volt neglecting source resistanc...The current in a circuit varies with time as I = 2√t. Then the rms value of the current for the interval t = 2 to ...