Electromagnetic induction Air-core coils are practically free from Eddy current losses Both Hysteresis losses & Eddy current losses None of the listed here Hysteresis losses Eddy current losses Both Hysteresis losses & Eddy current losses None of the listed here Hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which circuit element(s) will oppose the change in circuit current? Inductance only Capacitance only Inductance and capacitance Resistance only Inductance only Capacitance only Inductance and capacitance Resistance only ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The coefficient of coupling between two air core coils depends on Mutual inductance and self inductance of two coils Mutual inductance between two coils only Self-inductance of two coils only None of the listed here Mutual inductance and self inductance of two coils Mutual inductance between two coils only Self-inductance of two coils only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil induces 350 mV when the current changes at the rate of 1 A/s. The value of inductance is 3500 mH 250 mH 350 mH None of the listed here 3500 mH 250 mH 350 mH None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self inductances of two coils are 8 mH and 18 mH. If the coefficient of coupling is 0.5, the mutual inductance of the coils is 6 mH 12 mH 36 mH 18 mH 6 mH 12 mH 36 mH 18 mH 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 10 H 6 H 9 H 12 H 10 H 6 H 9 H ANSWER DOWNLOAD EXAMIANS APP
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