As temperature increases, the resistance of thermistors- and vice versa.
Q: (25%) Problem 6: A copper wire has a resistance of 0.495 at 20.0°C, and an iron wire has a…
A: Let at temperature T Riron = Rcu .535[1+5×10^-3(T-20)] = .495 [1+3.9×10^-3(T-20)]…
Q: Fiad the Porer Cin watts ) delivered to the Ro0 n resista Round your answn to 2 Necinalplares.
A: Given: The circuit is given with the values of resistors and voltage. Calculation: First, find the…
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Q: Why are engineers interested in reversible processes even though they can never be achieved?
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Q: 12.12. The time before failure of each a platinum resistance thermometer used in a particular…
A: Mean =∑xNN=10
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A: Given data : Current = I Resistance = R…
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A: The coefficient of the performance of the air conditioner or refrigerator and heat pump is defined…
Q: Explain how the thermal contact resistance can be minimized.
A: Given: Thermal contact resistance
Q: Why is entropy change at constant pressure greater than entropy change at constant volume
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Q: A resistance thermometer, is made from platinum and has a resistance of 50.0 Ω at 20.0 °C. Calculate…
A: The relation between resistance and temperature is, R=R01+αT-T0 (I)…
Q: Choose the BEST answer to the following: When you buy a pipe in a hardware store, the water isn’t…
A: Water is not included when a person buy a pipe from a hardware store.
Q: Explain referigerators and heat pumps.
A: Refrigerator:The process of removing heat from bodies colder than their surroundings is called…
Q: 9.) Indicate whether each statement is true of false. (a) The third law of thermodynamics says that…
A: We have four statements and we need to asses whether these statements are true or false. (a) The…
Q: Why do refrigerators, air conditioners, and heat pumps operate most cost-effectively for cycles with…
A:
Q: A 4.00 kg block of ice at 0.00 C falls into the ocean and melts. The average temperature of the…
A: The change in entropy of the world is 60 J/K
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A: (a) The coefficient of performance is as follows: COP=QhQh-QcCOP=ThTh-Tc 1
Q: Find the Resistance: Directions: Use the data provided in the fable to calculate the pesis tance…
A: Given the length and cross sectional areas of different materials such as (a) Copper, l=25 m and A =…
Q: Coleulate tho Joules if fon esectricad to aster of +2 W ueed enerty consumed in 2000 Seconds ?
A: Given data : Time = t Power = P To find : Energy
Q: If the resistance of a small immersion heater (to heat water for tea or soup, Fig. 18–32) was…
A: Resistance of water heater increased
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A: Let P be defined as the power output, V be defined as the supply voltage. Let T1 and T2 be defined…
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Q: When ____ is added to a system, some of the energy stays in the system and some of the energy leaves…
A: Answer:- Heat energy When heat energy is added to a system, some of the energy stays in the…
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A: Part (1) It is given that the concentration of the electrons in the left end is greater than that in…
Q: 7. 6. 650 J of energy are converted into heat in 2 minutes. What power is dissipated? Find the power…
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Q: An insulated piston–cylinder device contains 5 L of saturated liquid water at a constant pressure of…
A: At 175 KPa pressure ,Specific enthalpy of liquid hf=h1=487.01KJkgSpecific enthalpy of evaporation…
Q: Distinguish the characteristics of the Resistance Temperature Detector (RTD) and Thermistor.
A: Sensor type Thermistor RTD Temperature Range (typical) -100 to 325°C -200 to 650°C Accuracy…
Q: A 100 ohms resistor carrying current of 1 Amp is maintained at a constant temperature of 30°C by a…
A:
Q: Estimate the annual carbon footprint (in lbs) of 1000 W Freezer operated 24 hours a day(assume 1 gal…
A: Given that: P=1000 Wt=24 hrs Assumption: 1 gal of crude oil generates 30 KWh and produces 40 lbs of…
Q: If there were no process, then there would be no need for ____ in a system.
A: To determine: What happens if there were no process in a system
Q: A copper wire 100m long with cross-sectional area of 2x10 -4 cm 2 is heated from room temperature of…
A: Given: Length of wire L = 100 m. Cross sectional area of copper wire (A) = 2×10-4 cm2 Initial…
Q: Digital thermometers often make use of thermistors, a type of resistor with resistance that varies…
A: Given that, Resistance at 00 C is 68.2 ohms and at 5290C it is 224 ohms. We need to find the…
Q: A long cylindrical conductor is constructed whose coefficient of resistivity at a temperature of…
A: Given, , Resistivity, Temperature coefficient of resistance are .
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A: Heat and work are two forms of energy. Heat transfers from high temperature region to low…
Q: Which of the following PV diagrams have at least one step that is ISOBARIC and at least one step…
A: isobaric it means pressure is constant during the state change Isochoric it means volume is fixed…
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