The E-I characteristics give information about the ability of PV or solar panel to convert ....................................   a.   Sunlight into heat energy   b.   Wind energy into heat energy   c.   Sunlight into electricity   d.   Wind energy into electricity

Q: A thermodynamic process occurs with a heat lost by the system. Does the entropy of the system…

A: No beacuse heat loss means increase in entropy according to second law  of thermodynamics.

Q: Which of the following ia/are not true about the second law of thermodynamics? a. it may provide an…

A: There are 4 laws of thermodynamics. They are given as under, (1) Zeroth law of thermodynamics (2)…

Q: The temperature inside of a house is 27 ºC and outside is –23 ºC ? Determine the change in entropy…

A: The change in entropy of the system at constant temperature is given by  Where  = Entropy Change,…

Q: 2. A 150W solar PV panel produces 15V and 7A when it is connected to a load under solar insolation…

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Q: Which of the following is NOT true when two systems with unequal temperatures come into contact with…

A: When two body have difference in temperature there is a natural flow of heat from hotter body to…

Q: you have 1.0 kg of ice with the temperature -20.0 C a) what amount of heat is needed to convert the…

A: Given: m=1kg, T1=-20°C, T2=20°C (a) The specific heat of ice, water, and latent heat of fusion of…

Q: A 39% maximum efficient coal-fired power plant needs to produce 600 MW of power. A. To achieve…

A: Given that A 39% maximum efficient coal-fired power plant needs to produce  a  power (P)= 600 MW…

Q: What happens to the efficiency of the heat engine when the amount of heat it absorbs from the hot…

A: Given data:  Heat absorbed from hot reservoir = Heat released to cold reservoir Qh = Qc Required:…

Q: Question #: 23 If a person who normally requires an average of 12,000 kJ (~ 3000 Cal) of food energy…

A: If a person who normally requires an average of 12,000 kJ (3000 kcal) of food energy per day…

Q: a) Calculate the number of calories given off by 500 g of water cooling from 20 deg. C to 5 deg. C.…

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Q: 34. Which of the following statements is a good representation of the 2nd law of thermodynamics: a.…

A: Given There are five options mentioned We have to choose the correct option that hold good for…

Q: The law of Thermodynamics states that energy can not be created nor destroyed. it can only be…

A: We know  Ist law of thermodynamics states that the net heat energy given to the system is equal to…

Q: Mr Smith buys some solar panels to heat the water for his house.Explain how this will help to reduce…

A: We generally use electricity or gas to heat water. There is heat transfer from gas to water. Hence…

Q: How much energy will be consumed by a 400W rice cooker operating for half an hour? a. 12 J b. 24 kJ…

A:

Q: Suppose that  Process B and Process C, each have a lower specification limit (LSL) of 2, and an…

A: Process capability is an important statistical tool. It is used to measure the ability of a process…

Q: osis and the fact that rubber cools when stretched are manifestations of... A. The fact that physics…

A: When the rubber will stretch, the entropy goes shorter in bent chains. The imbalance in solute…

Q: A Carnot engine draws heat energy from a hot temperature reservoir at 250oC and deposits heat energy…

A:

Q: Day to day and real-life instances are given below. Identify which  of the following is/are…

A: This law states that  " Energy can neither be created nor destroyed, it can only be converted from…

Q: You have a flight of stairs 8 feet in height. You walk up the stairs two times (1st time... slow)…

A:

Q: 09. a. Sketch a P-V diagram of a typical Carnot cy b. Shade and label the area representing work c…

A:

Q: In a decentralized energy generation system, analyze how solar thermal energy can contribute to…

A: Solar energy is the energy obtained from Sun. This energy is converted to electrical and heat energy…

Q: A given amount of water loses heat. Does the entropy of the water increase or decrease? Does this…

A: The second law of thermodynamics states that the entropy of the universe never decreases.

Q: In lab we determined the specific heat of several cubes of metal. One of those cubes was lead which…

A:

Q: Choose the correct statements.   a. A system with a larger number of macrostates has a larger…

A: Answer: we know the relation between entropy and microstates :       S=k ln(W) where S= entropy…

Q: An average person is recommended to take in 2000 calories per day (8,400,000J), because they will…

A: An average person needs 8,400,000 J of energy. On a Saturday, a person takes 10,000,000 J of energy…

Q: Write a note on “ENTROPY”.

A: Entropy can be defined as the measure of randomness or molecular disorderness of a system. It is an…

Q: THERMODYNAMICS (PHYSICS)   Fill in the blanks with the correct answer. A. ON B. BY C. EXPANDS…

A: According to question we need to fill the blanks .

Q: Modified Multiple Choice. Write the letter of the best option and provide an explanation on your…

A: Given statement : efficiency of heat engine = 75%

Q: The heat of melting of ice at 1 atmosphere pressure and 0°C is 1.4363 kcal/mol. The volume of ice is…

A:

Q: In the energy flow of a refrigerator, why should work be done on the refrigerator instead of it…

A: Here the correct option is D. i.e It is not natural in a refrigerator for the heat energy to flow…

Q: sample of an ideal gas goes through a full cycle, returning to the same pressure and volume. It does…

A: In isobaric pressure remaining constant At constant volume reduction in temperature will decrease…

Q: Physical systems work in a “one-way street” – the amount of information we have about the state…

A: Energy : It is the ability of an object to do work. There are different types of energy. Example:…

Q: Geothermal energy uses the subsurface level of the earth to heat up water converting it to steam and…

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Q: Explain about entropy in detail.. like formulas and when it's applicable and much more data. (…

A: Solution:-Given thatConcept of entropyFormulas

Q: Study Guide Mix n Match: Heat is Energy moving from low temperature to high temperature.…

A: