Electric Circuits A coil of negligible resistance has an induction of 100 mH. The current passing through the coil changes from 2 A to 4 A at a uniform rate in 0.1 sec the voltage across the coil during this time would be __________ V. 2 36 8 50 2 36 8 50 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following carbon coded resistor has value of 10k ohm with 20% tolerance? Red, red, green and silver stripes. Yellow, violet, yellow and silver stripes. Brown, black, orange and no tolerance band. Orange, orange, black and gold stripes. Red, red, green and silver stripes. Yellow, violet, yellow and silver stripes. Brown, black, orange and no tolerance band. Orange, orange, black and gold stripes. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which cell has the reversible chemical reaction? Mercury oxide. Lead acid. Silver oxide. Carbon Zinc. Mercury oxide. Lead acid. Silver oxide. Carbon Zinc. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In direct arc furnace which of following is of high value? Power factor. All of above. Voltage. Current. Power factor. All of above. Voltage. Current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the followings is/are active element? None of these. Both Voltage source Current source None of these. Both Voltage source Current source ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value? (3 + j4) pu (4 + j3) pu (4 + j2 ) pu (2 + j4) pu (3 + j4) pu (4 + j3) pu (4 + j2 ) pu (2 + j4) pu ANSWER DOWNLOAD EXAMIANS APP