Electric Circuits In direct arc furnace which of following is of high value? Power factor. Voltage. Current. All of above. Power factor. Voltage. Current. All of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has least resistivity? Mercury. Lead. Aluminium. Copper. Mercury. Lead. Aluminium. Copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 200 W, 200 V lamp is 400 Ω. 200 Ω. 100 Ω. 800 Ω. 400 Ω. 200 Ω. 100 Ω. 800 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The voltage across the 1kΩ resistor between the nodes A and B of the network shown in the given figure is -2 V. -1 V. 2 V. 1 V. -2 V. -1 V. 2 V. 1 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be 6 Ω. 4 / 3 Ω. 3 / 2 Ω. 3 / 4 Ω. 6 Ω. 4 / 3 Ω. 3 / 2 Ω. 3 / 4 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If Vout = 1 V for 1 kHz input then what would be Vout for 10 kHz for same input ? 1 V. 0.1 V . 0.01 V. None of these. 1 V. 0.1 V . 0.01 V. None of these. ANSWER DOWNLOAD EXAMIANS APP