Current Electricity Insulators have _______ temperature co-efficient of resistance. Positive None of the listed here Zero Negative Positive None of the listed here Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals One kilowatt-hour One watt-hour Ten kilowatt-hour One watt-hour One kilowatt-hour One watt-hour Ten kilowatt-hour One watt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ampere-hour is the unit of Energy Strength of current Power Quantity of electricity Energy Strength of current Power Quantity of electricity 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 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 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 Ri None of them Rl Either Rl or Ri Ri None of them Rl Either Rl or Ri ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The example of non-ohmic resistance is tungsten wire Aluminium wire Carbon resistance Copper wire tungsten wire Aluminium wire Carbon resistance Copper wire ANSWER DOWNLOAD EXAMIANS APP