IGCSE O Level Physics Online Tests
Power in Physics MCQ (Multiple Choice Questions) PDF Download
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The MCQ: If a bulb uses energy of 100 J and remains on for 25 s, the power consumed by the bulb will be; "Power in Physics" App Download (Free) with answers: 125 W; 4 W; 2500 W; 75 W; to study distance learning courses. Practice Power in Physics Quiz Questions, download Apple eBook (Free Sample) for 2 year online degrees.
Power in Physics MCQ (PDF) Questions Answers Download
We can say that one watt is defined as
- rate of work done or energy conversion of one joule per second
- rate of time of one second per joule
- rate of distance of one meter per joule
- rate of work done or energy conversion of one joule per meter
If a bulb uses energy of 100 J and remains on for 25 s, the power consumed by the bulb will be
- 125 W
- 4 W
- 2500 W
- 75 W
A filament bulb of 100 W consumes energy of 1000 J, the time taken by the bulb is
- 900 s
- 10 s
- 1100 s
- 100000 s
An iron of 2000 W uses energy of 240000 J, the time taken by the iron in hours is
- 1 hour
- 3 hours
- 1/2 hour
- 2 hour
One watt is equal to
- One joule per second
- One second per joule
- One meter per joule
- One joule per meter
IGCSE O Level Physics Practice Tests
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