Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 1 0.6 1.5 0.5 1 0.6 1.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Remains constant Decreases Increases First increases and then decreases Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in Amperes Ampere-volts kWh Ampere-hours Amperes Ampere-volts kWh Ampere-hours ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The maximum current rating for a 10 kΩ, 0.5 W resistor is 28.28 mA 14.14 mA 0.707 mA 7.07 mA 28.28 mA 14.14 mA 0.707 mA 7.07 mA ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Semi-conductors Inductors Conductors Insulators Semi-conductors Inductors Conductors Insulators ANSWER DOWNLOAD EXAMIANS APP
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