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 105. 15. 75. 60. 105. 15. 75. 60. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the current in the circuit? 0.1578 A. 0.2547 A. 0.1465 A. 0.4583 A. 0.1578 A. 0.2547 A. 0.1465 A. 0.4583 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the SI unit of electric current ? Ohm. None of these Ampere. Faraday. Ohm. None of these Ampere. Faraday. 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. 1.11. 0.318. 0.57. 1.414. 1.11. 0.318. 0.57. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which cell has the reversible chemical reaction? Silver oxide. Lead acid. Carbon Zinc. Mercury oxide. Silver oxide. Lead acid. Carbon Zinc. Mercury oxide. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor? 20 V. 30 V. 50 V. 60 V. 20 V. 30 V. 50 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP
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