a transducer is a device which.... a) transfers heat energy from an electrical component to surrounding...
a transducer is a device which....
a) transfers heat energy from an electrical component to surrounding air.
b) send electrical signals from one place to another.
c)undergoes an electrical change in response to a physical change.
Homework Answers
transducer is a device which convert on form of sinal into another form of signal that is it undergoes an electrical change in response to a physical change. hence option c is correct.
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a transducer is a device which....
a) transfers heat energy from an electrical component to
surrounding...
just answer and discuss one Review QAS a. Energy transfers by heat are induced only as...
just answer and discuss one
Review QAS a. Energy transfers by heat are induced only as a result of a temperature difference between a system and its surroundings. b. Work and heat are associated with the process, so they are point functions C. If a system undergoes a process involving heat transfer with its surroundings but no work, that process is said to be adiabatic. d. The change in the internal energy of a system between two states is the...
6. A sample of ammonium chloride dissolves in water, absorbing heat from the surrounding water and...
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7. We decide to store 200 MJ of electrical energy by driving a heat pump which...
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A salt dissolves in water by absorbing 1.5 kJ of heat energy from the surrounding 52.0...
A salt dissolves in water by absorbing 1.5 kJ of heat energy from the surrounding 52.0 g of solution. If the solution is initially at 24.0°C, what is the final temperature of the solution? Csoln = 4.18 J/g·deg Please show steps
Cooling tower is a special recycling device which applies the heat rejection process. Figure Q4 (a)...
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please help Question 9 (1 point) Which answer choice best describes which wave property could you...
please help
Question 9 (1 point) Which answer choice best describes which wave property could you change to yield a more energetic wave? a) Increase the amplitude to increase the wave energy b) Increase the wavelength to increase the wave energy c) Decrease the wavelength to increase the wave energy d) Decrease the amplitude to increase the wave energy Question 10 (1 point) A wave is a disturbance in a medium that transfers a) Neither matter nor energy from one...
Please show work for A 1-4! 1. Heat engines A heat engine is a device that...
Please show work for A 1-4!
1. Heat engines A heat engine is a device that does work by exchanging thermal energy with its environment. All heat engines operate in cycles during which a system, also known as the working substance, passes through a series of thermodynamic processes returning repeatedly to each state. A. Device 1, shown at right, represents a heat engine operating between 900 K reservoirs at 900 K and 400 K. (The system interacting with the reservoirs...
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just answer and discuss one
Review QAS a. Energy transfers by heat are induced only as a result of a temperature difference between a system and its surroundings. b. Work and heat are associated with the process, so they are point functions C. If a system undergoes a process involving heat transfer with its surroundings but no work, that process is said to be adiabatic. d. The change in the internal energy of a system between two states is the...
6. A sample of ammonium chloride dissolves in water, absorbing heat from the surrounding water and causing the temperature to drop by 20 °C. If the heat change for the reaction is +300 J, what is the heat change for the surrounding water? 12. The mixture of gas and air inside a cylinder reacts, releasing 400 kJ of total energy. If the system does 250 kJ of work on the piston, how much energy is released as HEAT?
7. We decide to store 200 MJ of electrical energy by driving a heat pump which transfers heat from 20°C to molten salt at 500°C. This energy is retrieved later by running a heat engine between the same two temperatures. Both the heat pump and the engine can be described by efficiencies WIQH, and they both have the same ideal (Carnot) efficiency. A. What is the ideal efficiency of the heat pump? B. molten salt? Assuming ideal efficiency, how much...
Cooling tower is a special recycling device which applies the heat rejection process. Figure Q4 (a) shows the cooling tower system that extracts waste heat to the atmosphere through the cooling of a water stream to a lower temperature. Sketch the water recycle in the cooling tower Q4 (a) (5 marks) High leaving water temperature will cause a drop in process cooling efficiency, increasing system power consumption, creating physical discomfort to people within an air-conditioned area, and have a detrimental...
please help
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