Electric Circuits Which of following materials has the least resistivity ? Zinc. Mercury. Copper. Lead. Zinc. Mercury. Copper. Lead. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of intensity of magnetisation to the magnetising force is known as relative permeability. susceptibility. flux density. none of above. relative permeability. susceptibility. flux density. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits i) In star connection line current is equal to phase current. ii) In delta connection line voltage is equal to phase voltage. For a given phase connected to the particular line which of the statement is true ? Both (1) and (2). None of these. Only (1). Only (2). Both (1) and (2). None of these. Only (1). Only (2). ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is 22.4A. 30A. 14.14A. 17.3A . 22.4A. 30A. 14.14A. 17.3A . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If C be the capacitance, V be the potential difference and I be the current, then I / CV will have the unit of time. frequency. reactive power. power. time. frequency. reactive power. power. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Under resonance condition the power factor of a system is leading lagging any of the above unity leading lagging any of the above unity ANSWER DOWNLOAD EXAMIANS APP
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