Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 200 Ohms. 100 Ohms. 50 Ohms. 25 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 25 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit what is the power factor just bellow the resonance frequency? Zero Lagging Leading Unity Zero Lagging Leading Unity ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is 0.5 mA. 0.25 mA. 1 mA. 0.35 mA. 0.5 mA. 0.25 mA. 1 mA. 0.35 mA. 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 average value in Amperes. 0.741 A. 1.414 A. 1.57 A. 0.494 A. 0.741 A. 1.414 A. 1.57 A. 0.494 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the followings is the expression for energy stored in a capacitor? C / v. C dv / dt. Cv. (1 / 2) Cv2. C / v. C dv / dt. Cv. (1 / 2) Cv2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In ideal system coefficient of coupling(k) is 1 Both 2 and 3 ∞ 0 1 Both 2 and 3 ∞ 0 ANSWER DOWNLOAD EXAMIANS APP