Current Electricity The resistance of a conductor varies inversely as Length Are of cross-section Resistivity Temperature Length Are of cross-section Resistivity Temperature ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% 0.2% None of the listed here 0.4% 0.3% 0.2% None of the listed here 0.4% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Voltmeter Rheostat Wattmeter Galvanometer Voltmeter Rheostat Wattmeter Galvanometer ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The thickness of insulation provided on the conductor depends on The magnitude of voltage on the conductor None of the listed here Both magnitude of voltage and current The magnitude of current flowing through it The magnitude of voltage on the conductor None of the listed here Both magnitude of voltage and current The magnitude of current flowing through it ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Very high High Practically zero Low Very high High Practically zero Low ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Conductors Semi-conductors Inductors Insulators Conductors Semi-conductors Inductors Insulators ANSWER DOWNLOAD EXAMIANS APP
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