Electric Circuits Time constant of RL series circuit is 2L/R L/R RC 2RC 2L/R L/R RC 2RC ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – F. 0. F εr. εr/F. F. 0. F εr. εr/F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following quantities remain the same in all parts of a parallel circuit voltage. resistance. current. power. voltage. resistance. current. power. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In direct arc furnace which of following is of high value? Power factor. Current. All of above. Voltage. Power factor. Current. All of above. Voltage. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Platinum. Tungsten. Metal alloys constantan and manganin. Brass. Platinum. Tungsten. Metal alloys constantan and manganin. Brass. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following capacitor will have least value of breakdown voltage? Paper. Electrolytic. Ceramic. Mica. Paper. Electrolytic. Ceramic. Mica. ANSWER DOWNLOAD EXAMIANS APP
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