Electromagnetic induction Which of the following circuit element stores energy in the electromagnetic field? Condenser Inductance Variable resistor Resistance Condenser Inductance Variable resistor Resistance 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 10 H 12 H 6 H 9 H 10 H 12 H 6 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction For a purely inductive circuit which of the following is true? Actual power of the circuit is zero Apparent power is zero Relative power is zero Any capacitance even if present in the circuit will not be charged Actual power of the circuit is zero Apparent power is zero Relative power is zero Any capacitance even if present in the circuit will not be charged ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case of an inductance, current is proportional to None of the listed here Magnetic field 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 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The inductance of a coil will increase under all the following conditions except When more length for the same number of turns is provided When more area for each turn is provided When the number of turns of the coil increase When permeability of the core increases When more length for the same number of turns is provided When more area for each turn is provided When the number of turns of the coil increase When permeability of the core increases ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The magnitude of the induced e.m.f. in a conductor depends on the Flux density of the magnetic field Rate of change of flux-linkages Amount of flux cut Amount of flux linkages Flux density of the magnetic field Rate of change of flux-linkages Amount of flux cut Amount of flux linkages ANSWER DOWNLOAD EXAMIANS APP