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 8.85 A. zero. 50 A. 5 A. 8.85 A. zero. 50 A. 5 A. ANSWER DOWNLOAD EXAMIANS APP
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? 63.7 Ω. 135.86 Ω. 1.765 Ω. 0.015 Ω. 63.7 Ω. 135.86 Ω. 1.765 Ω. 0.015 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which cell has the reversible chemical reaction? Silver oxide. Mercury oxide. Carbon Zinc. Lead acid. Silver oxide. Mercury oxide. Carbon Zinc. Lead acid. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is remain same. doubled. halved. increase by two times. remain same. doubled. halved. increase by two times. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current magnification will occur in which of the following case? Series resonance Parallel resonance None of these Both Series resonance Parallel resonance None of these Both ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit contains two unequal resistor in parallel heat losses in both are same. voltage drops across both are same. voltage drops are according to their resistive value. currents in both are same. heat losses in both are same. voltage drops across both are same. voltage drops are according to their resistive value. currents in both are same. ANSWER DOWNLOAD EXAMIANS APP
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