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 BRY. RYB. RBY. YRB. BRY. RYB. RBY. YRB. ANSWER DOWNLOAD EXAMIANS APP
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 60. 15. 75. 105. 60. 15. 75. 105. 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? 0.5. 0.866. 1. 0.577. 0.5. 0.866. 1. 0.577. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is the heaviest? Proton. Electron. Atom. Molecule. Proton. Electron. Atom. Molecule. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are 40 Ω and 40 Ω. 50 Ω and 200 Ω. 25 Ω and 5 Ω. 40 Ω and 200 Ω. 40 Ω and 40 Ω. 50 Ω and 200 Ω. 25 Ω and 5 Ω. 40 Ω and 200 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What will be the resistance if 10 resistors of 10 ohm each are connected in series? 100 Ω. 10 Ω. 0.1 Ω. 1 Ω. 100 Ω. 10 Ω. 0.1 Ω. 1 Ω. ANSWER DOWNLOAD EXAMIANS APP
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