Electromagnetic induction Mutually inductance between two magnetically coupled coils depends on The number of their turns Permeability of the core All of the listed here Cross-sectional area of their common core The number of their turns Permeability of the core All of the listed here Cross-sectional area of their common core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The magnitude of the induced e.m.f. in a conductor depends on the Flux density of the magnetic field Amount of flux linkages Amount of flux cut Rate of change of flux-linkages Flux density of the magnetic field Amount of flux linkages Amount of flux cut Rate of change of flux-linkages ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Lenz's law is a consequence of the law of conservation of Induced e.m.f. Energy Induced current Charge Induced e.m.f. Energy Induced current Charge 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 25 V 15 V 10 V 12 V 25 V 15 V 10 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The polarity of the induced voltage can be determined by using the left-hand generator rule. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following inductor will have the least eddy current losses? Powdered iron core Laminated iron core Iron core Air core Powdered iron core Laminated iron core Iron core Air core ANSWER DOWNLOAD EXAMIANS APP