Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is High Very high Practically zero Low High Very high Practically zero Low ANSWER DOWNLOAD EXAMIANS APP
Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 50 V 200 V 150 V 100 V 50 V 200 V 150 V 100 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Aluminium Nickel Steel Tungsten Aluminium Nickel Steel Tungsten ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The example of non-ohmic resistance is tungsten wire Copper wire Carbon resistance Aluminium wire tungsten wire Copper wire Carbon resistance Aluminium wire ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 4 : 25 5 : 2 2 : 5 25 : 4 4 : 25 5 : 2 2 : 5 25 : 4 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Temperature Area of cross-section Resistivity Length Temperature Area of cross-section Resistivity Length ANSWER DOWNLOAD EXAMIANS APP
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