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
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 Series aiding inductance Capacitance Mutual inductance Self-inductance Series aiding inductance Capacitance Mutual inductance Self-inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The coefficient of coupling between two air core coils depends on Mutual inductance between two coils only None of the listed here Self-inductance of two coils only Mutual inductance and self inductance of two coils Mutual inductance between two coils only None of the listed here Self-inductance of two coils only Mutual inductance and self inductance of two coils ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is 15 H 10 H 20 H 5 H 15 H 10 H 20 H 5 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The magnitude of the induced e.m.f. in a conductor depends on the Amount of flux linkages Rate of change of flux-linkages Amount of flux cut Flux density of the magnetic field Amount of flux linkages Rate of change of flux-linkages Amount of flux cut Flux density of the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following inductor will have the least eddy current losses? Air core Powdered iron core Iron core Laminated iron core Air core Powdered iron core Iron core Laminated iron core ANSWER DOWNLOAD EXAMIANS APP
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