Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 1 Hz. 10 Hz. 1000 Hz. 100 Hz. 1 Hz. 10 Hz. 1000 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Efficiency of electrical machines should be calculated by measuring losses and input. output and input. losses and output. losses. losses and input. output and input. losses and output. losses. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 1 mA flows through a 1M ohm, 2 W carbon resistor. The power dissipated as heat in the resistor will be None of these 0.5 W. 1 W. 2 W. None of these 0.5 W. 1 W. 2 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which cell has the reversible chemical reaction? Lead acid. Carbon Zinc. Silver oxide. Mercury oxide. Lead acid. Carbon Zinc. Silver oxide. Mercury oxide. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Condition of symmetry in Z-parameter representation is Z12 = Z21. Z11 = Z22. Z11 = Z12. Z12 = Z22. Z12 = Z21. Z11 = Z22. Z11 = Z12. Z12 = Z22. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the average value in Amperes. 1.414 A. 0.494 A. 1.57 A. 0.741 A. 1.414 A. 0.494 A. 1.57 A. 0.741 A. ANSWER DOWNLOAD EXAMIANS APP
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