Electromagnetic induction The polarity of the induced voltage can be determined by using the left-hand generator rule. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil is wound on iron core which carries current I. The self-induced voltage in the coil is not affected by Change of number of turns of coil The resistance of magnetic path Variation in voltage to the coil Variation in coil current Change of number of turns of coil The resistance of magnetic path Variation in voltage to the coil Variation in coil current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which circuit element(s) will oppose the change in circuit current? Resistance only Inductance and capacitance Inductance only Capacitance only Resistance only Inductance and capacitance Inductance only Capacitance only 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 6 H 10 H 9 H 12 H 6 H 10 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following circuit element stores energy in the electromagnetic field? Inductance Resistance Condenser Variable resistor Inductance Resistance Condenser Variable resistor ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two coils have inductances of 8 mH and 18 mH and a coefficient of coupling of 0.5. If the two coils are connected in series aiding, the total inductance will be 48 mH 38 mH 30 mH 36 mH 48 mH 38 mH 30 mH 36 mH ANSWER DOWNLOAD EXAMIANS APP
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