Electric Circuits 2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is 75. 15. 105. 60. 75. 15. 105. 60. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? open circuit. short circuit. dielectric losses increases. dielectric losses decreases. open circuit. short circuit. dielectric losses increases. dielectric losses decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is 1000 ohms. 5000 ohms. 50 ohms. 500 ohms. 1000 ohms. 5000 ohms. 50 ohms. 500 ohms. 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? 0.866. 0.5. 0.577. 1. 0.866. 0.5. 0.577. 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A. 3.149 1 0.5 2.56 3.149 1 0.5 2.56 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following capacitor will have least value of breakdown voltage? Mica. Electrolytic. Paper. Ceramic. Mica. Electrolytic. Paper. Ceramic. ANSWER DOWNLOAD EXAMIANS APP
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