Current Electricity Which of the following is the best conductor of electricity? Zinc Copper Silver Gold Zinc Copper Silver Gold ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Low Practically zero Very high High Low Practically zero Very high High ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.8 x 10-8 ω-m 1.6 x 10-8 ω-m 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m 1.6 x 10-8 ω-m 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Mercury Zinc Copper Lead Mercury Zinc Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A conductor An insulator A superconductor A ferromagnetic substance A conductor An insulator A superconductor A ferromagnetic substance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In case of liquids, ohm's law is None of the listed here Fully obeyed Partially obeyed There is no relation between current and p. d None of the listed here Fully obeyed Partially obeyed There is no relation between current and p. d ANSWER DOWNLOAD EXAMIANS APP
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