Electromagnetic induction Which circuit element(s) will oppose the change in circuit current? Capacitance only Resistance only Inductance and capacitance Inductance only Capacitance only Resistance only Inductance and capacitance Inductance only ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The coefficient of coupling between two air core coils depends on 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 Mutual inductance and self inductance of two coils Mutual inductance between two coils only ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ampere turns Hennry Ohm Weber/metre Ampere turns Hennry Ohm Weber/metre 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? 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 0.1 s ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The direction of induced e.m.f. can be found by Laplace's law Kirchhoff s voltage law Fleming's right hand rule Lenz's law Laplace's law Kirchhoff s voltage law Fleming's right hand rule Lenz's law 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 0.2 wb 20 wb 2 wb 0.02 wb 0.2 wb 20 wb 2 wb 0.02 wb ANSWER DOWNLOAD EXAMIANS APP
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