Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 1.765 Ω. 0.015 Ω. 135.86 Ω. 63.7 Ω. 1.765 Ω. 0.015 Ω. 135.86 Ω. 63.7 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In active filter which element is absent? Resistor. Inductor. Both of above. Capacitor. Resistor. Inductor. Both of above. Capacitor. 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. 1.11. 0.318. 1.414. 0.57. 1.11. 0.318. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The electrical resistance of human body is around 250 ohms. 5 ohms. 1000 ohms. 25 ohms. 250 ohms. 5 ohms. 1000 ohms. 25 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Efficiency of electrical machines should be calculated by measuring output and input. losses and output. losses. losses and input. output and input. losses and output. losses. losses and input. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is 50 A. 8.85 A. zero. 5 A. 50 A. 8.85 A. zero. 5 A. ANSWER DOWNLOAD EXAMIANS APP
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