Electromagnetic induction A crack in the magnetic path of an inductor will result in Zero inductance Unchanged inductance Reduced inductance Increased inductance Zero inductance Unchanged inductance Reduced inductance Increased inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ampere turns Weber/metre Hennry Ohm Ampere turns Weber/metre Hennry Ohm ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from Eddy current losses Hysteresis losses None of the listed here Both Hysteresis losses & Eddy current losses Eddy current losses Hysteresis losses None of the listed here Both Hysteresis losses & Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction For a purely inductive circuit which of the following is true? 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 Relative power is zero 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 12 V 25 V 10 V 15 V 12 V 25 V 10 V 15 V ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as Series aiding inductance Mutual inductance Capacitance Self-inductance Series aiding inductance Mutual inductance Capacitance Self-inductance ANSWER DOWNLOAD EXAMIANS APP