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The dew point temperature Tdand the relative humidity RH can be calculated (approximately) from the dry-bulb T and wet-bulb Twtemperatures by (http//www.wikipedia.org):
e = ew− Psta(T − Tw)0.00066(1 + 0.00115Tw)
where the temperatures are in degrees Celsius, RH is in %, and pstais the barometric pressure in units of millibars.
Write a user-defined MATLAB
Use the user-defined function DewptRhum for calculating the dew point temperature and relative humidity for the following cases:
(a) T = 78 °F, Tw= 66 °F, psta= 29.09 inHg
(b) T= 97 °F, Tw= 88 °F, psta= 30.12 mbar
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Chapter 7 Solutions
EBK MATLAB: AN INTRODUCTION WITH APPLIC
- 1 In an inductive circuit, What is the value of the instantaneous current if t=40 s ‚L- 1 0mH and v(t) = 50 cos(100nt - 100) | 15.9+170j -14.5+0j None of the answers -15.6+0j Moving to another question will save this response. MacBook Pro F3 F4 F5 F7 #3 $ 3r 48 50 67 7 V 8- 2R U. * 00arrow_forwardنقطتان (2) 10 V * e ÄA 0 15 25 the value of the frequency of the sinusoidal waveform in the figure is equal to 35 t (ms) 60 Hz O 100 cycle O 377 rad/s O 314 rad /s 50 Hz Oarrow_forward2. A series RL circuit has voltage and current equations of e = 141.42 sin 2n30t + 141.42 sin 2n90t volts and i = 9.8 sin (2n30t - 30°) + 5.66 sin (2n90t - 60°) amperes. Determine the inductance L. A. 92.5 mH B. 38.3 mH C. 27.22 mH D. 83.49 mHarrow_forward
- What is the complex expression for a given alternating current i = 250 sin(wt-25 deg)? a. 227 + j106 b. 160 - j75 c. 227 - j106 d. 160 + j75arrow_forwardFor the resistor shown above what best describes its behavior at 1 MHz? It responds primarily as a resistor It responds primarily as a capacitor O It responds primarily as a inductor It responds primarily as a transformerarrow_forward:D A docs.google.com/forms/d/1 o المرحلة والشعبة: * A non-sinusoidal voltage (e=20+15sin1000t+ 10sin3000t+5sin4000t) Volt is applied to the circuit shown. Find the ?total power iT 42 İL -J92 J42 44.03 W 86.08 W 88.06 W 44.04 W n-sinusoidal wave can be طلب الإذن بالتعديل of sine waves with .harmonic frequencies IIarrow_forward
- 4. Find the equivalent inductance for the following circuit shown. ΤΗ 2 H 0000 3H xoxo 8.538 H O 5.739 H 21 H O 18.345 H elle SH 4H 0000 elle 6H 4arrow_forwardR + Vs Calculate the magnitude of the steady state current i(t) for the values Vs = Vmcos (wt + p) Vт 3D 200V w = 5000 rad/s P = 10° R = 40N L = 8mH C = 2µFarrow_forwardcalculate the magnitude of the current through the j3.3k ohm inductor. jl k2 1.2 k2 -j4.7 k2 j2.2 k2 8j3.3 k2 20 V/15° 50 V/60° Figure 24-27 ll llarrow_forward
- CRO cannot be used for measuring the Sinusoidal waveform's frequency. Select one: True O Falsearrow_forwardAn rms voltage of 22.2 V with a frequencyof 1.00 kHz is applied to a 0.290-mH inductor. (a) What is the rmscurrent in this circuit? (b) By what factor does the current changeif the frequency of the voltage is doubled? (c) Calculate the current for a frequency of 2.00 kHzarrow_forwardFind 12 in the circuit shown below. 4 13 3Q 50L0° 7412 a) 8.72-1.37⁰ b) 3/-48 7⁰ 5+j6 30/90° 6-j5 c) 7/17.25⁰ d) 55/45 3⁰arrow_forward
- Delmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage Learning
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