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 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. No Yes No Yes 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 Variation in coil current Change of number of turns of coil The resistance of magnetic path Variation in voltage to the coil Variation in coil current Change of number of turns of coil The resistance of magnetic path ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction As per Faraday's laws of electromagnetic induction, an e.m.f. is induced in a conductor whenever it Moves parallel to the direction of the magnetic field Lies in a magnetic field Cuts magnetic flux Lies perpendicular to the magnetic flux Moves parallel to the direction of the magnetic field Lies in a magnetic field Cuts magnetic flux Lies perpendicular to the magnetic flux ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The coefficient of coupling between two air core coils depends on None of the listed here Self-inductance of two coils only Mutual inductance and self inductance of two coils Mutual inductance between two coils only None of the listed here Self-inductance of two coils only Mutual inductance and self inductance of two coils Mutual inductance between two coils only 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 Decreases Remains same Increases None of the listed here Decreases Remains same Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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