NEET Physics Power MCQ Question
Consider a diagram showing an electrical circuit with a 100 watt bulb connected to a power source. If the bulb is switched on for 10 hours, how much energy in kilowatt-hours does it consume?
1 kWh
0.1 kWh
10 kWh
100 kWh
Correct Answer
Detailed Explanation
The energy consumed by a 100 watt bulb over 10 hours is calculated as 100 watts × 10 hours = 1000 watt-hours, which is equivalent to 1 kilowatt-hour (kWh).
Found an issue with this question?
Related Questions
More from
Assertion (A): The work-energy theorem is an integral form of Newton's second law. | Reason (R): The work-energy theorem involves an integral over an ...
Assertion (A): The dot product of two vectors is zero when the vectors are perpendicular. | Reason (R): The scalar product of two vectors is the produ...
A particle acted upon by constant forces 4î + ĵ − 3k̂ and 3î + ĵ − k̂ is displaced from the point î + 2ĵ + k̂ to point 5î + 4ĵ + k̂. The total...