ElectroMagnetic InductionEasy
Question
When two co-axial coils having same current in same direction are bring close to each other then the value of current in both coils:-
Options
A.increase
B.decrease
C.first increases and then decrease
D.remain same
More ElectroMagnetic Induction Questions
When a current changes from 2A to 4A in 0.05 sec. in a coil, induced emf is 8 V. The self inductance of coil is :-...D.C. motor run by 120V. If armature current at eb = 115V is 10 A. then find out current just after motor is started :-...In a uniform magnetic field of induction B a wire in the form of semicircle of radius r rotates about the diameter of th...The frequency of oscillation of current in the inductor is:...A metal conductor of length 1 m rotates vertically about one of its ends at angular velocity 5 radians per second. If th...