Electromagnetic induction Lenz's law is a consequence of the law of conservation of Charge Induced e.m.f. Energy Induced current Charge Induced e.m.f. Energy Induced current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self-inductance of the coil may be defined as equal to the e.m.f. induced in volts when the current in the circuit changes at the rate of unit Weber turns. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be Unaffected Halved Doubled Quadrupled Unaffected Halved Doubled Quadrupled 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 0.5 1.0 2.5 2.0 0.5 1.0 2.5 2.0 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 9 H 12 H 10 H 6 H 9 H 12 H 10 H 6 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The magnitude of the induced e.m.f. in a conductor depends on the 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 Amount of flux cut Flux density of the magnetic field ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS