Current Electricity Constantan wire is used for making starndard resistance because it has High specific resistance Low specific resistance Negligibly small temperature co-efficient of resistance High melting point High specific resistance Low specific resistance Negligibly small temperature co-efficient of resistance High melting point ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In case of liquids, ohm's law is None of the listed here Partially obeyed Fully obeyed There is no relation between current and p. d None of the listed here Partially obeyed Fully obeyed There is no relation between current and p. d ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Voltmeter Galvanometer Wattmeter Rheostat Voltmeter Galvanometer Wattmeter Rheostat ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Decreases Increases Remains same Heater will burn out Decreases Increases Remains same Heater will burn out ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Watt Watt-hour Henry Coulomb Watt Watt-hour Henry Coulomb ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided Both of the listed here To prevent leakage of current None of above factors To prevent shock Both of the listed here To prevent leakage of current None of above factors To prevent shock ANSWER DOWNLOAD EXAMIANS APP