NEET Physics Power MCQ Question
Consider a diagram showing an electric bulb with a power rating label. If the bulb has a power rating of 100 watts, which of the following is the correct energy consumption of the bulb when it is used for 10 hours?
1 kilowatt hour
10 kilowatt hours
0.1 kilowatt hour
100 kilowatt hours
Correct Answer
Detailed Explanation
A 100 watt bulb used for 10 hours consumes 100 watt-hour, which is equivalent to 1 kilowatt hour, as per the calculation: 100 watts × 10 hours = 1000 watt-hour = 1 kWh.
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