Electromagnetic induction Which of the fpllowing inductor will have the least eddy current losses ? Iron core Air core Laminated iron core Powdered iron core Iron core Air core Laminated iron core Powdered iron core ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is 5000 ohms 500 ohms 1000 ohms 100 ohms 5000 ohms 500 ohms 1000 ohms 100 ohms ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two coils have self-inductances of 10 H and 2 H, the mutual inductance being zero. If the two coils are connected in series, the total inductance will be 12 H 6 H 10 H 9 H 12 H 6 H 10 H 9 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be Doubled Unaffected Halved Quadrupled Doubled Unaffected Halved Quadrupled 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? 0.2 s 0.5 s 0.1 s None of the listed here 0.2 s 0.5 s 0.1 s None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which circuit element(s) will oppose the change in circuit current? Inductance and capacitance Capacitance only Inductance only Resistance only Inductance and capacitance Capacitance only Inductance only Resistance only ANSWER DOWNLOAD EXAMIANS APP
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