Electromagnetic induction Which of the following circuit element stores energy in the electromagnetic field? Variable resistor Inductance Condenser Resistance Variable resistor Inductance Condenser Resistance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from None of the listed here Hysteresis losses Both Hysteresis losses & Eddy current losses Eddy current losses None of the listed here Hysteresis losses Both Hysteresis losses & Eddy current losses Eddy current losses 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 10 H 5 H 15 H 20 H 10 H 5 H 15 H 20 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the fpllowing inductor will have the least eddy current losses ? Powdered iron core Air core Iron core Laminated iron core Powdered iron core Air core Iron core Laminated iron core ANSWER DOWNLOAD EXAMIANS APP
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 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
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