Electromagnetic induction Lenz's law is a consequence of the law of conservation of Energy Induced e.m.f. Charge Induced current Energy Induced e.m.f. Charge Induced current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two coils have inductances of 8 mH and 18 mH and a coefficient of coupling of 0.5. If the two coils are connected in series aiding, the total inductance will be 48 mH 36 mH 38 mH 30 mH 48 mH 36 mH 38 mH 30 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The magnitude of the induced e.m.f. in a conductor depends on the Amount of flux cut Flux density of the magnetic field Rate of change of flux-linkages Amount of flux linkages Amount of flux cut Flux density of the magnetic field Rate of change of flux-linkages Amount of flux linkages ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The coefficient of coupling between two air core coils depends on Mutual inductance and self inductance of two coils None of the listed here Self-inductance of two coils only Mutual inductance between two coils only Mutual inductance and self inductance of two coils None of the listed here Self-inductance of two coils only Mutual inductance between two coils only ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following circuit elements will oppose the change in circuit current? Capacitance Inductance All of the listed here Resistance Capacitance Inductance All of the listed here Resistance 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 350 mH 3500 mH 250 mH None of the listed here 350 mH 3500 mH 250 mH ANSWER DOWNLOAD EXAMIANS APP