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 Two 300 uH coils in series without mutual coupling have a total inductance of 1200 uH 600 uH 900 uH 300 uH 1200 uH 600 uH 900 uH 300 uH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A conductor carries 125 amperes of current under 60° to a magnetic field of 1.1 tesla. The force on the conductor will be nearly 60 N 90 N 120 N 30 N 60 N 90 N 120 N 30 N 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 Lenz Newton Faraday Coulomb Lenz Newton Faraday Coulomb ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following circuit element stores energy in the electromagnetic field? Inductance Resistance Variable resistor Condenser Inductance Resistance Variable resistor Condenser ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An average voltage of 10 V is induced in a 250 turns solenoid as a result of a change in flux which occurs in 0.5 second. The total flux change is 2 wb 20 wb 0.02 wb 0.2 wb 2 wb 20 wb 0.02 wb 0.2 wb ANSWER DOWNLOAD EXAMIANS APP
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