Electromagnetic induction Increasing the field or increasing the current will decrease the force on the conductor. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The magnitude of the induced e.m.f. in a conductor depends on the Amount of flux linkages Flux density of the magnetic field Amount of flux cut Rate of change of flux-linkages Amount of flux linkages Flux density of the magnetic field Amount of flux cut Rate of change of flux-linkages ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from Eddy current losses None of the listed here Hysteresis losses Both Hysteresis losses & Eddy current losses Eddy current losses None of the listed here Hysteresis losses Both Hysteresis losses & Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction For a purely inductive circuit which of the following is true? Any capacitance even if present in the circuit will not be charged Actual power of the circuit is zero Relative power is zero Apparent power is zero Any capacitance even if present in the circuit will not be charged Actual power of the circuit is zero Relative power is zero Apparent power is zero 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 The polarity of the induced voltage can be determined by using the left-hand generator rule. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP