ElectroMagnetic InductionHard
Question
A closely wound coil of 100 turns and area of cross section 1cm2 has a self inductance 1mH. The magnetic induction at the centre of the coil, when a current of 2A flows in it, will be :-
Options
A.0.2 
B.0.4 
C.0.8 
D.1 
More ElectroMagnetic Induction Questions
An aeroplane in which the distance between the tips of the wings is 50 meters is flying horizontally with a speed of 360...A wire loop is rotated in magnetic field. The frequency of change of direction of the induced e.m.f. is :...Current growth in two L - R circuits (B) and (C) as shown in figure (A). Let L1, L2, R1 and R2 be the corresponding valu...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...Consider the conducting square loop shown in fig. If the switch is closed and after some time it is opened again, the cl...