Electric Circuits In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be 0.6. 0.9. 0.85. 0.4. 0.6. 0.9. 0.85. 0.4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3Ω resistor having 2A current will dissipate the power of 8 W. 2 W. 4 W. 12 W. 8 W. 2 W. 4 W. 12 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Tungsten. Platinum. Brass. Metal alloys constantan and manganin. Tungsten. Platinum. Brass. Metal alloys constantan and manganin. 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 15. 75. 105. 60. 15. 75. 105. 60. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 200 W, 200 V lamp is 100 Ω. 200 Ω. 800 Ω. 400 Ω. 100 Ω. 200 Ω. 800 Ω. 400 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be 4:1. 1:2. 1:1. 1:8. 4:1. 1:2. 1:1. 1:8. ANSWER DOWNLOAD EXAMIANS APP
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