Electromagnetic induction An open coil has Infinite resistance and normal inductance Infinite resistance and zero inductance Zero resistance and high inductance Zero resistance and inductance Infinite resistance and normal inductance Infinite resistance and zero inductance Zero resistance and high inductance Zero resistance and 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 15 V 10 V 12 V 25 V 15 V 10 V 12 V 25 V ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The law that the induced e.m.f. and current always oppose the cause producing them is due to Lenz Coulomb Faraday Newton Lenz Coulomb Faraday Newton ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The direction of induced e.m.f. can be found by Lenz's law Kirchhoff s voltage law Fleming's right hand rule Laplace's law Lenz's law Kirchhoff s voltage law Fleming's right hand rule Laplace's law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil is wound on iron core which carries current I. The self-induced voltage in the coil is not affected by Variation in voltage to the coil Change of number of turns of coil The resistance of magnetic path Variation in coil current Variation in voltage to the coil Change of number of turns of coil The resistance of magnetic path Variation in coil current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A moving magnetic field will produce the same effect as a conductor that is moving. True False True False ANSWER DOWNLOAD EXAMIANS APP
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