Current Electricity The resistance of a conductor varies inversely as Length Resistivity Temperature Are of cross-section Length Resistivity Temperature Are of cross-section ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A semiconductor A conductor None of the listed here An insulator A semiconductor A conductor None of the listed here An insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has Low specific resistance High specific resistance High melting point Negligibly small temperature co-efficient of resistance Low specific resistance High specific resistance High melting point Negligibly small temperature co-efficient of resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude and direction of current remains constant Magnitude of current changes with time Magnitude of current remains constant Magnitude and direction of current changes with time Magnitude and direction of current remains constant Magnitude of current changes with time Magnitude of current remains constant Magnitude and direction of current changes with time ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Conductance Thermal conductivity Resistance Reluctance Conductance Thermal conductivity Resistance Reluctance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Watt-hour Watt Henry Coulomb Watt-hour Watt Henry Coulomb ANSWER DOWNLOAD EXAMIANS APP