Current Electricity Which of the following is the best conductor of electricity? Copper Gold Zinc Silver Copper Gold Zinc Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Chromium and vanadium Lead and zinc Nickel and chromium Copper and silver Chromium and vanadium Lead and zinc Nickel and chromium Copper and silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Practically zero Very high High Low Practically zero Very high High Low ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across Either Rl or Ri Ri Rl None of them Either Rl or Ri Ri Rl None of them 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 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m 1.4 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m 1.4 x 10-8 ω-m 1.2 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric pressure is also called Voltage Power Resistance Energy Voltage Power Resistance Energy ANSWER DOWNLOAD EXAMIANS APP