Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The current in R is 10.16 A. 1.27 A. 5.08 A. 2.54 A. 10.16 A. 1.27 A. 5.08 A. 2.54 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is 10- 3 μF. 10- 6 μF. 10 6 μF. 10 3 μF. 10- 3 μF. 10- 6 μF. 10 6 μF. 10 3 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current leads the emf by 90o. lags the emf by 90o. is in phase with emf. leads the emf by - 90o. leads the emf by 90o. lags the emf by 90o. is in phase with emf. leads the emf by - 90o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the rms value in Amperes. 0.741 A. 1.57 A. 0.494 A. 1.414 A. 0.741 A. 1.57 A. 0.494 A. 1.414 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 100 ohm resistor is directly connected across a 80 V battery. What is the power dissipation? 64 W. 1 W. 10 W. 5 W. 64 W. 1 W. 10 W. 5 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is referred as the average value in AC opearation? Average of all values of the (+)ve and (-)ve half. Average of all values of an alternating quantity. Average of all values of an alternating quantity over a complete cycle. Average of all values of the phase sequences. Average of all values of the (+)ve and (-)ve half. Average of all values of an alternating quantity. Average of all values of an alternating quantity over a complete cycle. Average of all values of the phase sequences. ANSWER DOWNLOAD EXAMIANS APP