Q1 Q 8. (a) Show the linearizedtemperature dependent expressionfor resistance of thermistor andsensitivity coefficient.(b) a thermistor has resistanceR. 800 9 @ 15° C, ß= 3240, theresistance decreases to 260 2 at=higher temperature T. Find thetemperature T. Also find thesensitivity a for measurement.

Thermistor- Thermistor is define as a resistor whose resistance is dependent on the temperature…

Q8. (a) Show the linearized temperature dependent expression for resistance of thermistor and sensitivity coefficient. R₁ R, (b) a thermistor has resistance 800 92 @ 15° C, B= 3240, the resistance decreases to 260 2 at higher temperature T. Find the temperature T. Also find the sensitivity a for measurement.

Q8. (a) Show the linearized temperature dependent expression for resistance of thermistor and sensitivity coefficient. R₁ R, (b) a thermistor has resistance 800 92 @ 15° C, B= 3240, the resistance decreases to 260 2 at higher temperature T. Find the temperature T. Also find the sensitivity a for measurement.

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter19: Special-purpose Outlets-water Pump, Water Heater

Section19.2: Water Heater Branch Circuit

Problem 8R: For residential water heaters, the Consumer Product Safety Commission suggests a maximum temperature...

See similar textbooks

Similar questions

The electrical model of a biopotential electrode is given belowwith the given values. (a)Plot the absolute impedance of this electrode(i.e.,|Z|) with respect to the frequency using a python script and (b) discuss the frequency range to reachthe minimum absolute impedance value on this electrode. Rd:26 kΩ Rs: 6 kΩ
Steam at 140 ° C flows in a pipe having an inner radius of 50 mm and an outer radius of 55 mm. The convective heat transfer coefficient between the steam and the inner pipe wall is 2500 W / (m² ° C). The outer surface of the pipe exposed to ambient air is 25 ° C with a convective heat transfer coefficient of 10 W / (m² ° C). Assuming steady state, calculate the rate of heat transfer per meter of pipe from steam to air. Assume that the thermal conductivity of stainless steel is 15 W / (m ° C.). Steps of work according to example 4.16 Singh. a. Find the overall heat transfer coefficient = Answer W / m² ° C b. Heat transfer rate per meter of pipe = Answer W / m
For flowing table draw occ and air gap at 1200rpm Note the drawing must be handwritten without using a computer I will not accept the solution because if using computer give scale ; x-acis =1cm ,0.2A y-axis= 30 cm using give sc:
The relative dielectric coefficient of the planar electrode system given in the figure is Er = Er0 n. It changes linearly according to the x relation. Ero == 8,3 for this electrode system; n = 1.7 cm and the gap between the electrodes is given as a = 3 cm. 28 kV direct voltage is applied to this planar electrode system, so find the amplitude of the electric field strength at the point A (2.5cm, 3cm). (Edge effects will be neglected, electrode length b <15 cm)
Consider a PV module with the following external parameters at STC: Pmax = 320 W, VOC = 45 V, ISC = 8 A, NOCT =40 °C and the temperature coefficient of power is −1 W/°C. a) If the ambient temperature rises to 35 °C while the irradiance is 1,000 W/m2, what is the cell leveltemperature, calculated with the NOCT model?b) What is the new power output of the PV module under the new ambient temperature of 35 °C and 1,000W/m2irradiance?
2/ for the figure shown below find How much the potential Energy or the work Wa-b which s needed to move the test charge qo from point a to b along the radiallne if :qo= 2nc, 4= 5nc ra= 10 cm, b= 20, And from the value of the work find How much the Potential difference at g7 Testcharge g . moves fromat0b along radial line: fromg. E
In the cylinder-cylinder electrode system with parallel axes, extract the maximum electric field strength expression by using the approximate area calculation. Since the radii of the cylinders are r1=r2=40 mm, a=5m and the applied voltage U= 300 kV, find the approximate maximum electric field. (k=0.9)
Consider a wind machine designed to deliver its rated power at the average velocity fora given wind spectrum. It will be marketed for sites having wind velocity spectra thathave the same annual average velocity but with Weibull statistics ranging from k = 3/2to 5/2.a. Calculate the ratio of maximum to minimum annual average on-site wind poweravailable for exploitation for this range of wind fields.b. What additional assumptions are necessary if the power actually produced is tobe in the same ratio as in (a) above?
A coil is made up of 1000 turns of 0.5 mm^2 cross-sectional area copper wire. The average length each turn is 100 cm, and the copper resistivity is 0.02 µΩ m at 20 degrees Celsius. Determine the coil's resistance. Find the resistance of the coil at 20 degrees Celsius. * 30 ohm 40 ohm 50 ohm 60 ohm Find the resistance of the coil at 100 degrees Celsius if the temperature coefficient of resistance at 30 degrees Celsius is 3.7807 x 10^(-3) per degrees Celsius * 32.57 ohm 42.57 ohm 52.57ohm 62.57 ohm
A RL network supplied with 10V battery (a)Find the mathematical expressions for the transient behaviour of vL, iL , vR2 and vR2 when the switched is moved to position 2. Sketch the curves of vL, iL and vR2.A how much time must pass before it can be assumed, for all practical purposes, that iL=0A and vL = 0 Volt?
Estimate the AEP for a 3-MW wind turbine in a wind regime that has a CF= 30%. For this turbine explain why the increase of wind speed to levels greater than 25 m/s generates less electrical power compared to wind speeds around 11 m/s
Q 03: Briefly discuss, how the energy consumptions for operations of a fork lifter could be justified. Suppose that a fork lifter has a total energy consumption of 150 W.Hr. The total trips of the vehicle are 375. How the battery duty cycle may be calculated in this case?