Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Manganin Porcelain Carbon Copper Manganin Porcelain Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 3 times 1/9 times 9 times 1/3 times 3 times 1/9 times 9 times 1/3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Practically zero Low Very high High Practically zero Low Very high High 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 Remains same Heater will burn out Decreases Increases Remains same Heater will burn out Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ampere-hour is the unit of Quantity of electricity Strength of current Power Energy Quantity of electricity Strength of current Power Energy ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals One kilowatt-hour One watt-hour One watt-hour Ten kilowatt-hour One kilowatt-hour One watt-hour One watt-hour Ten kilowatt-hour ANSWER DOWNLOAD EXAMIANS APP
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