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 Air-core coils are practically free from Eddy current losses None of the listed here Both Hysteresis losses & Eddy current losses Hysteresis losses Eddy current losses None of the listed here Both Hysteresis losses & Eddy current losses Hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A crack in the magnetic path of an inductor will result in Zero inductance Increased inductance Reduced inductance Unchanged inductance Zero inductance Increased inductance Reduced inductance Unchanged inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An open coil has Zero resistance and inductance Infinite resistance and zero inductance Infinite resistance and normal inductance Zero resistance and high inductance Zero resistance and inductance Infinite resistance and zero inductance Infinite resistance and normal inductance Zero resistance and high inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Reversing the field or the current will reverse the force on the conductor. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be 16 A/s 12 A/s 20 A/s 4 A/s 16 A/s 12 A/s 20 A/s 4 A/s ANSWER DOWNLOAD EXAMIANS APP
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