Electromagnetic induction A crack in the magnetic path of an inductor will result in Increased inductance Unchanged inductance Reduced inductance Zero inductance Increased inductance Unchanged inductance Reduced inductance Zero inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A conductor 2 meters long moves at right angles to a magnetic field of flux density 1 tesla with a velocity of 12.5 m/s. The induced e.m.f. in the conductor will be 10 V 12 V 15 V 25 V 10 V 12 V 15 V 25 V 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 24 mH 48 mH 12 mH 3 mH 24 mH 48 mH 12 mH 3 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be 16 A/s 12 A/s 4 A/s 20 A/s 16 A/s 12 A/s 4 A/s 20 A/s ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case of an inductance, current is proportional to None of the listed here Magnetic field Both of the listed here Voltage across the inductance None of the listed here Magnetic field Both of the listed here Voltage across the inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The direction of induced e.m.f. can be found by Fleming's right hand rule Lenz's law Laplace's law Kirchhoff s voltage law Fleming's right hand rule Lenz's law Laplace's law Kirchhoff s voltage law ANSWER DOWNLOAD EXAMIANS APP
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