Electric Circuits In direct arc furnace which of following is of high value? All of above. Voltage. Current. Power factor. All of above. Voltage. Current. Power factor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be 0.01 μF. 0.001 μF. 1 μF. 0.1 μF. 0.01 μF. 0.001 μF. 1 μF. 0.1 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits VRN, VYN and VBN are three phase voltage of a balanced three phase system. If VRN = 200∠30o V and VBN = 200∠- 90o V, then phase sequence of the system is YRB. BRY. RYB. RBY. YRB. BRY. RYB. RBY. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series R, L circuit power factor can be defined as R/Z P/S Vr/V All of these R/Z P/S Vr/V All of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. zero, zero infinite, infinite zero, infinite infinite, zero zero, zero infinite, infinite zero, infinite infinite, zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the current in the circuit? 0.1578 A. 0.2547 A. 0.1465 A. 0.4583 A. 0.1578 A. 0.2547 A. 0.1465 A. 0.4583 A. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS