ElectroMagnetic InductionHard
Question
The relative permeability of air is :-
Options
A.Zero
B.1.04
C.Infinity
D.1
More ElectroMagnetic Induction Questions
When current in a coil is reduced from 2A to 1A in 1 ms, the induced emf is 5V. The inductance of coil is :...A transformer having efficiency of 90% is working on 200 V and 3 kW power supply. If the current in the secondary coil i...In an LCR circuit, capacitance is changed from C to 2C. For the resonant frequency to remain unchanged, the inductance s...In a LCR circuit capacitance is changed from C to 2C. For the resonant frequency to remain unchanged, the inductance sho...When the current in the portion of the circuit shown in the figure is 2A and increasing at the rate of 1A/s, the measure...