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. 1 μF. 0.1 μF. 0.001 μF. 0.01 μF. 1 μF. 0.1 μF. 0.001 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current is said to be alternating when it changes in direction. none of these. magnitude. both ‘a’ and ‘b’. direction. none of these. magnitude. both ‘a’ and ‘b’. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 1. 0.577. 0.5. 0.866. 1. 0.577. 0.5. 0.866. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced three Phase Y-connected load has one phase voltage VB = 277∠45o V. The phase sequence is RYB. The line to line voltage VRY is 480∠45o V. 339∠- 45o V. 339∠45o V. 480∠ - 45o V. 480∠45o V. 339∠- 45o V. 339∠45o V. 480∠ - 45o V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is charged by a constant 10 mA current sources which is turned on for 1 second. Assuming the capacitor is initially charge free; determine the charge delivered to and the power supplied by the source if the capacitor has a value of 1 mF. 0.01C, 10MW. 0.1C, 10MW. 0.1C, 100MW. 0.01C and 5W. 0.01C, 10MW. 0.1C, 10MW. 0.1C, 100MW. 0.01C and 5W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Capacitors for P.f correction are rated in KV. KW. KVAR. KVA. KV. KW. KVAR. KVA. ANSWER DOWNLOAD EXAMIANS APP