Electric Circuits Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre? 1.56. 0.020. 6.24. 3.12. 1.56. 0.020. 6.24. 3.12. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Among the options which metal has the highest electrical conductivity? Aluminium. Copper. Stranded aluminium. Steel. Aluminium. Copper. Stranded aluminium. Steel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Cells are connected in parallel in order to increase current capacity. life of the cells. voltage rating. efficiency. current capacity. life of the cells. voltage rating. efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 50 Ohms. 400 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 400 Ohms. 200 Ohms. 100 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The strength of current in 1 H inductor changes at rate of 1 A / sec. Find the voltage across it? 0.5 V. None of these. 1 V. 2 V. 0.5 V. None of these. 1 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has least resistivity? Aluminium. Lead. Copper. Mercury. Aluminium. Lead. Copper. Mercury. ANSWER DOWNLOAD EXAMIANS APP