Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across R is 50.8 V. 30.6 V. 40.8 V. 24.4 V . 50.8 V. 30.6 V. 40.8 V. 24.4 V . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will decrease. none of these. increase. remain constant. decrease. none of these. increase. remain constant. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit shown in the figure the voltage across the 2 Ω resistor is 1 V. 4 V. 2 V. 3 V. 1 V. 4 V. 2 V. 3 V. 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 Reactive power drawn by a pure resistor is 0 maximum None of these minimum 0 maximum None of these minimum 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? (4 + j3) pu (4 + j2 ) pu (2 + j4) pu (3 + j4) pu (4 + j3) pu (4 + j2 ) pu (2 + j4) pu (3 + j4) pu ANSWER DOWNLOAD EXAMIANS APP