Current Electricity An instrument which detects electric current is known as Rheostat Wattmeter Galvanometer Voltmeter Rheostat Wattmeter Galvanometer Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 2 watts 4 watts 6 watts 8 watts 2 watts 4 watts 6 watts 8 watts 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 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 Length of heating element should be decreased Length of heating element has no effect on heating if water None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Positive None of the listed here Zero Negative Positive None of the listed here Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open There will be heavy current in the main line All three bulbs will light Rest of the two bulbs will not light The other two bulbs will light There will be heavy current in the main line All three bulbs will light Rest of the two bulbs will not light The other two bulbs will light ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Carbon resistors Circuits with low current densities High voltage circuits Vaccum tubes Carbon resistors Circuits with low current densities High voltage circuits Vaccum tubes ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS