ElectroMagnetic InductionMedium
Question
A bar magnet is dropped into a vertical copper tube, considering the air resistance as negligible, the magnet acquired a constant speed. If the tube is heated the terminal velocity will be :-
Options
A.Decrease
B.Increase
C.Remain unchanged
D.Datas are incomplete
More ElectroMagnetic Induction Questions
In a series L − R growth circuit, if maximum current and maximum induced emf in an inductor of inductance 3mH are ...In a coil of self inductance of 5henry, the rate of change of current is 2 ampere per second, the e.m.f. induced in the ...A time varying voltage V = 2t volt is applied across an ideal inductor of inductance L = 2H as shown in figure. Then sel...A wire of fixed length is wound on a solenoid of length ′l′ and radius ′r′. Its self inductance ...In a D.C. motor, the current in the armature is maximum when the :-...