Electromagnetic induction The direction of induced e.m.f. can be found by Fleming's right hand rule Lenz's law Kirchhoff s voltage law Laplace's law Fleming's right hand rule Lenz's law Kirchhoff s voltage law Laplace's law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from None of the listed here Hysteresis losses Eddy current losses Both Hysteresis losses & Eddy current losses None of the listed here Hysteresis losses Eddy current losses Both Hysteresis losses & Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on Permeability of the core Cross-sectional area of their common core The number of their turns All of the listed here Permeability of the core Cross-sectional area of their common core The number of their turns All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which circuit element(s) will oppose the change in circuit current? Resistance only Inductance and capacitance Inductance only Capacitance only Resistance only Inductance and capacitance Inductance only Capacitance only 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? None of the listed here 0.2 s 0.1 s 0.5 s None of the listed here 0.2 s 0.1 s 0.5 s ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An open coil has 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 Zero resistance and high inductance ANSWER DOWNLOAD EXAMIANS APP