Current Electricity Ohm's law is not applicable to Semi-conductors Dc circuits Small resistors High currents Semi-conductors Dc circuits Small resistors High currents 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 should be increased None of these Length of heating element has no effect on heating if water Length of heating element should be decreased Length of heating element should be increased None of these Length of heating element has no effect on heating if water ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has High specific resistance Negligibly small temperature co-efficient of resistance Low specific resistance High melting point High specific resistance Negligibly small temperature co-efficient of resistance Low specific resistance High melting point ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Chromium and vanadium Copper and silver Lead and zinc Nickel and chromium Chromium and vanadium Copper and silver Lead and zinc Nickel and chromium ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Variable temperature coefficient Negative temperature coefficient Positive temperature coefficient Zero temperature coefficient Variable temperature coefficient Negative temperature coefficient Positive temperature coefficient Zero temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Watt-hour Coulomb Henry Watt Watt-hour Coulomb Henry Watt ANSWER DOWNLOAD EXAMIANS APP