Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.6 ohm 0.4 ohm 0.8 ohm 1.0 ohm 0.6 ohm 0.4 ohm 0.8 ohm 1.0 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. None of the listed here Negative Zero Positive None of the listed here Negative Zero Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Conductance Reluctance Thermal conductivity Resistance Conductance Reluctance Thermal conductivity Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Steel Nickel Tungsten Aluminium Steel Nickel Tungsten Aluminium ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour 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? 200 V 150 V 100 V 50 V 200 V 150 V 100 V 50 V ANSWER DOWNLOAD EXAMIANS APP
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