Current Electricity The example of non-ohmic resistance is Aluminium wire Carbon resistance Copper wire tungsten wire Aluminium wire Carbon resistance Copper wire tungsten wire ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Copper Constantan Carbon Silver Copper Constantan Carbon Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All of the following are equivalent to watt except Amperes/volt Amperes × volts Joules/sec. (Amperes) ohm Amperes/volt Amperes × volts Joules/sec. (Amperes) ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Increases Decreases Remains constant First increases and then decreases Increases Decreases Remains constant First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Copper Manganin Porcelain Carbon Copper Manganin Porcelain Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Practically zero High Low Very high Practically zero High Low Very high ANSWER DOWNLOAD EXAMIANS APP