How does PV device efficiency affect required device area?

Q: A light bulb transfers 80% of electrical energy into light energy, and 20% into heat energy. Is this…

A: SOlution: To determine if a light bulb transfers 80% of electrical energy into light energy, and 20%…

Q: 16. Three forces act on an object as shown in the diagram. Determine the equilibrant of these three…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Define the typical efficiencies of conventional and high-efficiency electric and natural gas water…

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Q: How is the energy value of foods determined?

A: The amount heat released  by burning these substances (food) in a calorie-meter is the energy of…

Q: What issues do rising rooftops present for firemen?

A: Concept used: Rising rooftops cause hazards to firemen.

Q: Explain temperature co-efficient.

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Q: A refrigerator was kept in a room and its door remained open. What will happen to the room…

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Q: How would increasing the temperature of the compressed air affect the pressure in the can? Explain…

A: Explaining the concepts,increasing the temperature of the compressed air affect the pressure.

Q: Can we do this by tip to tail rule ? if yes pplease explain

A: Yes , we can do this by tip to tail rule. We could do this by arranging each vector to tip to tail…

Q: What are the advantages and disadvantages of using a solar cooker? Are there places where solar…

A: Solar cooker heats and cook food using the solar energy. It is a renewable energy source. It's yours…

Q: which product produces the kinetic energy to run the

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