Electric Circuits In which braking back emf exceeds supply voltage? Regenerative. None of these. Dynamic. Plugging. Regenerative. None of these. Dynamic. Plugging. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 200 W, 200 V lamp is 400 Ω. 200 Ω. 100 Ω. 800 Ω. 400 Ω. 200 Ω. 100 Ω. 800 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 1. 10. 0.4. 0.85. 1. 10. 0.4. 0.85. 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? 0.2547 A. 0.1578 A. 0.4583 A. 0.1465 A. 0.2547 A. 0.1578 A. 0.4583 A. 0.1465 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The charge of an electron is - 1.675 × 10 - 27 Coulombs. - 1.602 × 10 - 19 Coulombs. - 1.672 × 10 - 27 Coulombs. - 9.109 × 10 - 31 Coulombs. - 1.675 × 10 - 27 Coulombs. - 1.602 × 10 - 19 Coulombs. - 1.672 × 10 - 27 Coulombs. - 9.109 × 10 - 31 Coulombs. 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 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
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