Work, Energy, and Power MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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Elevate your grasp of Work, Energy, and Power with specialized online physics exams designed to enhance your preparation. These resources offer a thorough review of basic physics principles and complex concepts related to energy transformations and mechanical work. Dive into practice tests and MCQ answers that focus on critical topics like force and motion. By concentrating on force and motion MDCAT MCQs and other relevant questions, you can solidify your understanding and improve your exam performance.
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The energy conversion in a solar panel is from:
A. Solar to electrical
B. Electrical to solar
C. Chemical to solar
D. Mechanical to solar
Answer: Solar to electrical
The energy required to lift a 5 kg object to a height of 6 meters is:
A. 300 J
B. 30 J
C. 60 J
D. 100 J
Answer: 300 J
The power of a device that uses 800 J of energy in 40 seconds is:
A. 20 W
B. 25 W
C. 30 W
D. 40 W
Answer: 20 W
The work done to move a 4 kg object 5 meters is:
A. 200 J
B. 20 J
C. 40 J
D. 80 J
Answer: 200 J
The power of a machine that performs 1500 J of work in 25 seconds is:
A. 60 W
B. 80 W
C. 50 W
D. 75 W
Answer: 60 W
The energy stored in a battery is an example of:
A. Chemical potential energy
B. Mechanical energy
C. Kinetic energy
D. Thermal energy
Answer: Chemical potential energy
The work done to lift a 3 kg object to a height of 7 meters is:
A. 210 J
B. 30 J
C. 21 J
D. 70 J
Answer: 210 J
The power of a device that uses 720 J of energy in 36 seconds is:
A. 20 W
B. 30 W
C. 50 W
D. 40 W
Answer: 20 W
The energy of an object at the bottom of a hill is primarily:
A. Kinetic energy
B. Potential energy
C. Thermal energy
D. Chemical energy
Answer: Kinetic energy