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 0.2 wb 0.02 wb 2 wb 20 wb 0.2 wb 0.02 wb 2 wb 20 wb 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The inductance of a coil will increase under all the following conditions except When permeability of the core increases When the number of turns of the coil increase When more length for the same number of turns is provided When more area for each turn is provided When permeability of the core increases When the number of turns of the coil increase When more length for the same number of turns is provided When more area for each turn is provided ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case of an inductance, current is proportional to Voltage across the inductance Both of the listed here None of the listed here Magnetic field Voltage across the inductance Both of the listed here None of the listed here Magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 2.5 0.5 1.0 2.0 2.5 0.5 1.0 2.0 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Lenz's law is a consequence of the law of conservation of Charge Induced current Energy Induced e.m.f. Charge Induced current Energy Induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
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