Electromagnetic induction Lenz's law is a consequence of the law of conservation of Induced current Charge Energy Induced e.m.f. Induced current Charge Energy Induced e.m.f. 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 0.5 s 0.2 s 0.1 s None of the listed here 0.5 s 0.2 s 0.1 s ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An average voltage of 10 V is induced in a 250 turns solenoid as a result of a change in flux which occurs in 0.5 second. The total flux change is 2 wb 0.02 wb 20 wb 0.2 wb 2 wb 0.02 wb 20 wb 0.2 wb ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two coils have self-inductances of 10 H and 2 H, the mutual inductance being zero. If the two coils are connected in series, the total inductance will be 12 H 6 H 9 H 10 H 12 H 6 H 9 H 10 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 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 Flux density of the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case of an inductance, current is proportional to Voltage across the inductance None of the listed here Both of the listed here Magnetic field Voltage across the inductance None of the listed here Both of the listed here Magnetic field ANSWER DOWNLOAD EXAMIANS APP
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