Electromagnetic induction A crack in the magnetic path of an inductor will result in Zero inductance Unchanged inductance Increased inductance Reduced inductance Zero inductance Unchanged inductance Increased inductance Reduced inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 3 mH 48 mH 12 mH 24 mH 3 mH 48 mH 12 mH 24 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self-inductance of the coil may be defined as equal to the e.m.f. induced in volts when the current in the circuit changes at the rate of unit Weber turns. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will 24 mH 3 mH 28 mH 12 mH 24 mH 3 mH 28 mH 12 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on All of the listed here The number of their turns Permeability of the core Cross-sectional area of their common core All of the listed here The number of their turns Permeability of the core Cross-sectional area of their common core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 2.5 1.0 0.5 2.0 2.5 1.0 0.5 2.0 ANSWER DOWNLOAD EXAMIANS APP
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