Current Electricity An instrument which detects electric current is known as Rheostat Galvanometer Wattmeter Voltmeter Rheostat Galvanometer Wattmeter Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is Zero About 2 ohms per degree Positive Negative Zero About 2 ohms per degree Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in kWh Ampere-hours Ampere-volts Amperes kWh Ampere-hours Ampere-volts Amperes ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Cast iron Tungsten Copper Carbon Cast iron Tungsten Copper Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A superconductor A conductor A ferromagnetic substance An insulator A superconductor A conductor A ferromagnetic substance An insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Resistivity Are of cross-section Temperature Length Resistivity Are of cross-section Temperature Length ANSWER DOWNLOAD EXAMIANS APP