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 12 mH 6 mH 18 mH 36 mH 12 mH 6 mH 18 mH 36 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction If current in a conductor increases then according to Lenz's law self-induced voltage will Tend to decrease the amount of current Produce current opposite to the increasing current Aid the increasing current Aid the applied voltage Tend to decrease the amount of current Produce current opposite to the increasing current Aid the increasing current Aid the applied voltage 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 38 mH 30 mH 48 mH 36 mH 38 mH 30 mH 48 mH 36 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as Mutual inductance Capacitance Self-inductance Series aiding inductance Mutual inductance Capacitance Self-inductance Series aiding inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two 300 uH coils in series without mutual coupling have a total inductance of 900 uH 300 uH 600 uH 1200 uH 900 uH 300 uH 600 uH 1200 uH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Reversing the field or the current will reverse the force on the conductor. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
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