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
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 25 V 15 V 10 V 12 V 25 V 15 V 10 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An open coil has Zero resistance and high inductance Infinite resistance and normal inductance Zero resistance and inductance Infinite resistance and zero inductance Zero resistance and high inductance Infinite resistance and normal inductance Zero resistance and inductance Infinite resistance and zero inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from Hysteresis losses None of the listed here Eddy current losses Both Hysteresis losses & Eddy current losses Hysteresis losses None of the listed here Eddy current losses Both Hysteresis losses & Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction If current in a conductor increases then according to Lenz's law self-induced voltage will Aid the increasing current Aid the applied voltage Produce current opposite to the increasing current Tend to decrease the amount of current Aid the increasing current Aid the applied voltage Produce current opposite to the increasing current Tend to decrease the amount of current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction For a purely inductive circuit which of the following is true? Relative power is zero Actual power of the circuit is zero Apparent power is zero Any capacitance even if present in the circuit will not be charged Relative power is zero Actual power of the circuit is zero Apparent power is zero Any capacitance even if present in the circuit will not be charged ANSWER DOWNLOAD EXAMIANS APP
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