An immersion heater of 400 watts kept on for 5 hours will consume the electrical power of?
Correct answer: A. 2KWh
- A. 2KWh
- B. 20KWh
- C. 6KWh
- D. 12KWh
Explanation
To calculate the electrical power consumption, we can use the formula:Power (in kilowatts) = (Wattage × Time) / 1000Given that the immersion heater has a wattage of 400 watts and is kept on for 5 hours, we can substitute these values into the formula:Power (in kilowatts) = (400 × 5) / 1000 = 2 kilowattsTherefore, the electrical power consumption of the immersion heater is 2 kilowatt-hours (KWh).
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