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 25 Ω and 5 Ω. 40 Ω and 40 Ω. 50 Ω and 200 Ω. 40 Ω and 200 Ω. 25 Ω and 5 Ω. 40 Ω and 40 Ω. 50 Ω and 200 Ω. 40 Ω and 200 Ω. ANSWER DOWNLOAD EXAMIANS APP
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. YRB. RBY. BRY. RYB. YRB. RBY. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively the rms value of the voltage across the series combination is ______ V. 450 250 200 360 450 250 200 360 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and a capacitor are connected to form series R - C circuit across a voltage source. If frequency of voltage source increases the current decreases. the current decreases abruptly. the current remain unaltered. the current increases. the current decreases. the current decreases abruptly. the current remain unaltered. the current increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be 10 times greater than before. 5 times smaller than before. 25 times larger than before. 5 times greater than before. 10 times greater than before. 5 times smaller than before. 25 times larger than before. 5 times greater than before. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Energy efficiency during electroplating is usually in the range 80 to 85%. 85 to 90%. 90 to 99%. 50 to 80%. 80 to 85%. 85 to 90%. 90 to 99%. 50 to 80%. ANSWER DOWNLOAD EXAMIANS APP
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