Electromagnetic induction A moving magnetic field will produce the same effect as a conductor that is moving. False True False True 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 The resistance of magnetic path Change of number of turns of coil Variation in coil current Variation in voltage to the coil The resistance of magnetic path Change of number of turns of coil Variation in coil current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The inductance of a coil will increase under all the following conditions except When the number of turns of the coil increase When permeability of the core increases When more length for the same number of turns is provided When more area for each turn is provided When the number of turns of the coil increase When permeability of the core increases When more length for the same number of turns is provided When more area for each turn is provided ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In an iron cored coil the iron core is removed so that the coil becomes an air cored coil. The inductance of the coil will Increases Decreases None of the listed here Remains same Increases Decreases None of the listed here Remains same ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The direction of induced e.m.f. can be found by Fleming's right hand rule Laplace's law Kirchhoff s voltage law Lenz's law Fleming's right hand rule Laplace's law Kirchhoff s voltage law Lenz's law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Higher the self-inductance of a coil, Lower the e.m.f. induced Lesser its weber-turns Greater the flux produced by it Longer the delay in establishing steady current through it Lower the e.m.f. induced Lesser its weber-turns Greater the flux produced by it Longer the delay in establishing steady current through it ANSWER DOWNLOAD EXAMIANS APP
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