Electromagnetic induction Which circuit element(s) will oppose the change in circuit current? Resistance only Inductance only Inductance and capacitance Capacitance only Resistance only Inductance only Inductance and capacitance Capacitance only ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil induces 350 mV when the current changes at the rate of 1 A/s. The value of inductance is 3500 mH 350 mH 250 mH None of the listed here 3500 mH 350 mH 250 mH None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is 15 H 10 H 20 H 5 H 15 H 10 H 20 H 5 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction If current in a conductor increases then according to Lenz's law self-induced voltage will Aid the applied voltage Produce current opposite to the increasing current Tend to decrease the amount of current Aid the increasing current Aid the applied voltage Produce current opposite to the increasing current Tend to decrease the amount of current Aid the increasing current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from Eddy current losses Both Hysteresis losses & Eddy current losses None of the listed here Hysteresis losses Eddy current losses Both Hysteresis losses & Eddy current losses None of the listed here Hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following circuit elements will oppose the change in circuit current? All of the listed here Inductance Resistance Capacitance All of the listed here Inductance Resistance Capacitance ANSWER DOWNLOAD EXAMIANS APP