How do photovoltaic cells generate electricity?

Q: Provide an example of a conversion from potential tokinetic energy.

A: The example for converting from potential energy to kinetic energy is, When the objects falls from…

Q: Consider a man who has 20 kg of body fat when he goes on a hunger strike. Determine how long he can…

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Q: State two reasons why many countries are trying to reduce the amount of non renewable fuel they use?

A: Fossil fuel are non renewable source of energy: coal, petroleum and natural gas are fossil fuels

Q: Why does oil prolong the life of car parts?

A: Oil can prolong the life of car because it reduces wear due to friction. Engine parts always need a…

Q: This convenience store and filling station supplies 25,560 gallons of gasoline per day to central…

A: Given that- 1 gallon of gasoline is = 125,000 BTU 25,560 gallons of gasoline is equivalent to =…

Q: are fats in reality the major dietary source of energy for animals

A: Given are fats in reality the major dietary source of energy for animals?

Q: Please answer using PV=nkT not PV=nRT

A: Given: The volume of the tank is V. The pressure of the gas is P. The mass of the oxygen is M.

Q: How much heat is needed to melt 4 g of ice? Give your answer in joules.

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Q: t equation of state is defined by the expression (p + n ^ 2a / v ^ 2t). (V-nb) = nRT (a and b…

A: The Berthelot equation helps us define the physical state of a real gas. It is an equation relating…

Q: Explain the Reason Why Coal and Petroleum are called Fossil Fuels.

A: Fossil fuels are derived from fossils that were formed millions of years ago. They are fossilized…

Q: How does regeneration affect the efficiency of a Brayton cycle, and how does it accomplish it?

A: By adding heat to the system, the regeneration increases the cycle efficiency of a Brayton cycle.

Q: Write the cell notation for a voltaic cell with the following half-reaction. Al(s) → Ae3+ 2H*(aq) +…

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Q: Which of the following shows the flow of energy when a tree's leaves use sunlight to store energy in…

A: Answer              (c) radiant energy is transformed into chemical energy   REASON-

Q: is a group of PV comprises the complete PV generating unit. PV that

A: PV - Photovoltaic

Q: Researchers have developed a biofuel that is an alcohol-based gasoline alternative made from…

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Q: How harmful are emissions from cosmetic, hygiene, and cleaning

A: This question is about discuss the reality of uses of chemicals in cosmetic hygiene and cleaning.…

Q: Because the human body is more efficient for carbohydrates in the form of fats. Consider that in the…

A: in this question we discuss  about energy get releases when fat and carbohydrates indigest by body.

Q: What is electric cell?

A: Introduction: Electricity is generated by the flow of charges which are electrons. When electrons…

Q: While researching life during colonial times, Carson learns that people would extract potassium…

A: In this problem, it is asking that what will be produce when potassium hydroxide is mixed with…

Q: Explain the concept of the Law of Action-Reaction based on the result of the egg drop challenge

A: Answer :- Newton's third law :- Newton's third law states that for every action there is a opposite…

Q: Explain how a nuclear power plant works to create energy.

A: Here, we have to explain how a nuclear power plant works. Let's see how we do it :

Q: what is the physical significance of full adder

A: Question ? what is the physical significance of full adder ?

Q: What are dielectics and what are their uses?

A: Dielectrics are a type of insulators used in electronic components

Q: Propane and methane are commonly used for heating in winter, and the leakage of these fuels, even…

A: The molar mass of propane = 44.1 kg/kmol The molar mass of air = 29 kg/kmol The molar mass of…

Q: What is the effect of cigarette smoke on household plant?

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Q: determine the effect of varying fertilizer brands upon the growth rate of a vinca plant what is the…

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Q: What substances trap heat from the Earth in the atmosphere?

A: The substances which trap heat emitted by Earth to atmosphere are called green house gases. It works…

Q: What are the limitations of first law of thermodyamics?

A: Limitations of the first law of thermodynamics:

Q: Explain the composition of the Photovoltaic System.

A: The photovoltaic system is also known as a solar PV system. It is an energy conversion system that…

Q: Compare between Electron Capture and Internal Conversion Processes

A: We need to compare between Electron capture and the Internal conversion process.

Q: The ………….digestion of biomass produces biogas. Aerobic digestion Anaerobic digestion Both (A) and…

A: Anaerobic digestion: It  is a type of sequence of processes by which microorganisms break down…

Q: How do we get electrical energy from the Hydro Energy? Can you show some pictures step by step

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Q: Solar desalination process eliminates salts, bacteria and microbes from water. Select one: O True O…

A: The solar desalination process is a technique in which the seawater gets converted into distilled…

Q: Discuss the benefits verses any adverse impacts of producing hydroelectric energy.

A: The benefits of hydroelectric energy or hydropower are as follows: The hydroelectric energy is…

Q: What is Avogadro's Number? Write its significance.

A: Avogadro number is defined as the number of elementary entities such as atoms or molecules that are…

Q: How can nanotechnology be used in the prevention and treatment of illnesses?

A: By using nanotechnology, scientists prevent illness, more quick diagnose processes , control disease…

Q: /acellus_engine.html?ClassiD=1229933351 Hormones Acellus Signals from hormones tell change their…

A: Signals from hormones tell cells to change their behavior.

Q: This convenience store and filling station supplies 22,680 gallons of gasoline per day to central…

A: amount of gasoline provided by the convenience store and filling station in 1 day = 22680 gallons…

Q: When you eat you are consuming______energy.

A: The energy any person or animal is consuming by eating or drinking is known as Calorie , which is…

Q: Water has a high specific capacity; this means that it takes a lot of energy to change the…

A: Life requires homeostasis, growth, and reproduction (details may vary, depending on organism type!).…

Q: What are some examples of non-traditional ways that people might engage in aerobic or anaerobic…

A: Example of aerobics exercise running swimming walking kick boxing, dancing, hiking,  Aerobics…

Q: In co-generation which products in a combustion reaction do we use as input energy for another…

A: Co-generation is the process of combined source of heat and power, it is the process of production…

Q: Solar and Biomass Energy

A: Biomass contains stored chemical energy from the sun.Biomass is a renewable energy sources.it will…