Electromagnetic induction As per Faraday's laws of electromagnetic induction, an e.m.f. is induced in a conductor whenever it Lies perpendicular to the magnetic flux Cuts magnetic flux Lies in a magnetic field Moves parallel to the direction of the magnetic field Lies perpendicular to the magnetic flux Cuts magnetic flux Lies in a magnetic field Moves parallel to the direction of the magnetic field 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 Produce current opposite to the increasing current Aid the applied voltage Tend to decrease the amount of current Aid the increasing current Produce current opposite to the increasing current Aid the applied voltage Tend to decrease the amount of current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following inductor will have the least eddy current losses? Iron core Laminated iron core Air core Powdered iron core Iron core Laminated iron core Air core Powdered iron core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on The number of their turns Cross-sectional area of their common core Permeability of the core All of the listed here The number of their turns Cross-sectional area of their common core Permeability of the core All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A crack in the magnetic path of an inductor will result in Increased inductance Zero inductance Unchanged inductance Reduced inductance Increased inductance Zero inductance Unchanged inductance Reduced inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil induces 350 mV when the current changes at the rate of 1 A/s. The value of inductance is None of the listed here 250 mH 3500 mH 350 mH None of the listed here 250 mH 3500 mH 350 mH ANSWER DOWNLOAD EXAMIANS APP
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