Current Electricity The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is 5 kWh 2 kWh 3.2 kWh 6 kWh 5 kWh 2 kWh 3.2 kWh 6 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is Equal to the charge of an electron Equal to the charge of the number of electrons in an atom (#) zero None of these Equal to the atomic number of the atom Equal to the charge of an electron Equal to the charge of the number of electrons in an atom (#) zero None of these Equal to the atomic number of the atom ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Metallic resistor Wire wound resistor Variable resistor Carbon resistor Metallic resistor Wire wound resistor Variable resistor Carbon resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Positive temperature coefficient Variable temperature coefficient Negative temperature coefficient Zero temperature coefficient Positive temperature coefficient Variable temperature coefficient Negative temperature coefficient Zero temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two molecules Two metal particles Two ions Two atoms Two molecules Two metal particles Two ions Two atoms ANSWER DOWNLOAD EXAMIANS APP
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