Electromagnetic induction Lenz's law is a consequence of the law of conservation of Energy Induced current Induced e.m.f. Charge Energy Induced current Induced e.m.f. Charge ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The direction of induced e.m.f. can be found by Fleming's right hand rule Kirchhoff s voltage law Lenz's law Laplace's law Fleming's right hand rule Kirchhoff s voltage law Lenz's law Laplace's law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A 500 turns solenoid develops an average induced voltage of 60 V. Over what time interval must a flux change of 0.06 Wb occur to produce such a voltage? 0.5 s None of the listed here 0.1 s 0.2 s 0.5 s None of the listed here 0.1 s 0.2 s 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 Lies in a magnetic field Lies perpendicular to the magnetic flux Moves parallel to the direction of the magnetic field Cuts magnetic flux Lies in a magnetic field Lies perpendicular to the magnetic flux Moves parallel to the direction of the magnetic field Cuts magnetic flux 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 Self-inductance Mutual inductance Series aiding inductance Capacitance Self-inductance Mutual inductance Series aiding inductance Capacitance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction For a purely inductive circuit which of the following is true? Apparent power is zero Actual power of the circuit is zero Relative power is zero Any capacitance even if present in the circuit will not be charged Apparent power is zero Actual power of the circuit is zero Relative power is zero Any capacitance even if present in the circuit will not be charged ANSWER DOWNLOAD EXAMIANS APP
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