Electric Circuits Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A. 3.149 1 2.56 0.5 3.149 1 2.56 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a lead acid cell, hydrogen is liberated at none of the plates. negative plate. positive plate. both plates. none of the plates. negative plate. positive plate. both plates. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What will be the resistance if 10 resistors of 10 ohm each are connected in series? 100 Ω. 0.1 Ω. 10 Ω. 1 Ω. 100 Ω. 0.1 Ω. 10 Ω. 1 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of copper decreases and germanium increases. copper increases and germanium decreases. each of them increases. each of them decreases. copper decreases and germanium increases. copper increases and germanium decreases. each of them increases. each of them decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption? P. √3P. P/3. 3P. P. √3P. P/3. 3P. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has least resistivity? Lead. Mercury. Copper. Aluminium. Lead. Mercury. Copper. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
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