Electric Circuits If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power 0 Hz. 150 Hz. 50 Hz. 100 Hz. 0 Hz. 150 Hz. 50 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the above question find the angle between voltage and current? 60. 30. 54.74. 90. 60. 30. 54.74. 90. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 100 Hz. 1 Hz. 10 Hz. 1000 Hz. 100 Hz. 1 Hz. 10 Hz. 1000 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3 wire, 3 - φ supply feeds a load consisting of three equal resistors. By how much is the load reduced if one of the resistors be removed when the load is in star? 50 % of the original load. 33.33 % of the original load. 66.66 % of the original load. 25 % of the original load. 50 % of the original load. 33.33 % of the original load. 66.66 % of the original load. 25 % of the original load. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An alternating voltage = 140 sinθ is supplied to a device which offers a resistance of 20 Ω in forward direction of current in reverse direction. Calculate the form factor. 1.414. 0.57. 0.318. 1.11. 1.414. 0.57. 0.318. 1.11. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of current I flowing in the 1 Ω resistor in the circuit shown in the given figure will be 0 A. 5 A. 6 A. 10 A. 0 A. 5 A. 6 A. 10 A. ANSWER DOWNLOAD EXAMIANS APP
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