Electromagnetic induction A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is 100 ohms 500 ohms 5000 ohms 1000 ohms 100 ohms 500 ohms 5000 ohms 1000 ohms ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A 500 turns solenoid develops an average induced voltage of 60 V. Over what time interval must a flux change of 0.06 Wb occur to produce such a voltage? 0.1 s None of the listed here 0.5 s 0.2 s 0.1 s None of the listed here 0.5 s 0.2 s 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 An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be 4 A/s 20 A/s 12 A/s 16 A/s 4 A/s 20 A/s 12 A/s 16 A/s ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The law that the induced e.m.f. and current always oppose the cause producing them is due to Faraday Coulomb Lenz Newton Faraday Coulomb Lenz Newton ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The coefficient of coupling between two air core coils depends on 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 Mutual inductance and self inductance of two coils Mutual inductance between two coils only Self-inductance of two coils only ANSWER DOWNLOAD EXAMIANS APP
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