Current Electricity The resistance of conductor varies inversely as Temperature Length Resistivity Area of cross-section Temperature Length Resistivity Area of cross-section ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 3 times 1/3 times 9 times 1/9 times 3 times 1/3 times 9 times 1/9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as An insulator A conductor A ferromagnetic substance A superconductor An insulator A conductor A ferromagnetic substance A superconductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Inductors Insulators Conductors Semi-conductors Inductors Insulators Conductors Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Steel Aluminium Tungsten Nickel Steel Aluminium Tungsten Nickel ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Offers large number of tapping Has large number of turns Has lower wattage rating Has higher wattage rating Offers large number of tapping Has large number of turns Has lower wattage rating Has higher wattage rating ANSWER DOWNLOAD EXAMIANS APP