Current Electricity Which of the following is the best material for making connecting wires? Copper Constant Nichrome Manganin Copper Constant Nichrome Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity International ohm is defined in terms of the resistance of A column of mercury The unit length of wire A cube of carbon A cube of copper A column of mercury The unit length of wire A cube of carbon A cube of copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Shape of cross-section Cross-sectional area Temperature Material Shape of cross-section Cross-sectional area Temperature Material ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Henry Coulomb Watt-hour Watt Henry Coulomb Watt-hour Watt ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually None of the listed here A conductor An insulator A semiconductor None of the listed here A conductor An insulator A semiconductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element should be decreased Length of heating element has no effect on heating if water None of these Length of heating element should be increased Length of heating element should be decreased Length of heating element has no effect on heating if water None of these Length of heating element should be increased ANSWER DOWNLOAD EXAMIANS APP