Electric Circuits Which of following materials has the least resistivity ? Copper. Zinc. Mercury. Lead. Copper. Zinc. Mercury. Lead. 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. 5 A. zero. 50 A. 8.85 A. 5 A. zero. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits To obtain high efficiency, network is designed with which of the following? High Q factor Low Q factor Zero Q factor Unity Q factor High Q factor Low Q factor Zero Q factor Unity Q factor ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the relation between time period T and frequency? T = 1 / frequency. T = 0.85 / frequency. T = frequency. T = 0.5 / frequency. T = 1 / frequency. T = 0.85 / frequency. T = frequency. T = 0.5 / frequency. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The common voltage across parallel branches with different voltage sources can be determined by the relation V = (V1 / R1 + V2 / R2 + V3 / R3) / (1 / R1 + 1 / R2 +1 / R3 .....) The statement is associated with which theorem? Thevenin’s theorem. Millman’s theorem. Norton’s theorem. Superposition theorem. Thevenin’s theorem. Millman’s theorem. Norton’s theorem. Superposition theorem. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit? 2 μsec 1 μsec 4 msec 2 msec 2 μsec 1 μsec 4 msec 2 msec ANSWER DOWNLOAD EXAMIANS APP
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