Engineering Electromagnetics
9th Edition
ISBN: 9780078028151
Author: Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher: Mcgraw-hill Education,
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Chapter 5, Problem 5.21P
Let the surface y=0 be a perfect conductor in free space. Two uniform line charge 30 nC/m each are located at x=0, y=1, and x=0, y=2. (a) at the plane y=0, and find V at P(1,2,0) (b) find E at P.
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C₁
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Consider the above circuit, including a BJT transistor with 100, VBE 0.7V and VT-25mV, where the bias resistors are R₁ =100k2, R2=220k2, R5-4702, R6 = 10002, RB = 2.2k2, and R4 2.2k2, and the bias voltage is VCC=10V. Assume that you can use DC and AC approximations
capacitors for your analysis, and that the transistor is biased in forward active mode.
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mA
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VCE-
V
c) With an AC small signal of in= 0.05V peak-peak what is the amplifier small-signal AC voltage gain (AV tourin), accurate to within 1%? Assume that ro in the small signal model is infinite (i.e. open circuit).
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ww
Is
12
In the circuit depicted below.
Is=2mA, R₁ = 100k, R2 = 7k2, R3 = 3k2, R4 = 4k2.
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V+=
14
RA
b) The current flowing through the resistor R3 (13), in mA, accurate to within 1%.
13-
ΜΑ
c) Calculate the output voltage (Vout), in V, accurate to within 1%.
Vout =
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R2=
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IS.ma
MA
A factory load draws real power of 15kW at voltage of 220V (rms) and operates at a lagging power factor of 0.80. We'd like to be operating at a power factor of 0.99, and this can be done by placing a capacitor in parallel with the load. The power supply to this load operates at a frequency of 50Hz.
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KVA
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KVAR
c) Calculate the difference in reactive power, in kVAR, that the load must show to change from a p.f. of 0.75 to 0.99, which must be provided by the capacitor, to within 1% accuracy.
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Chapter 5 Solutions
Engineering Electromagnetics
Ch. 5 - Prob. 5.1PCh. 5 - Given J=-10-4 (yaxx+ya) A/m2, find the current...Ch. 5 - A solid sphere of radius b contains charge Q....Ch. 5 - Prob. 5.4PCh. 5 - Consider the following time-varying current...Ch. 5 - Prob. 5.6PCh. 5 - Prob. 5.7PCh. 5 - Prob. 5.8PCh. 5 - Prob. 5.9PCh. 5 - A large brass washer has a 2-cm inside diameter, a...
Ch. 5 - Prob. 5.11PCh. 5 - Prob. 5.12PCh. 5 - Prob. 5.13PCh. 5 - A rectangular conducting plate lies in the xy...Ch. 5 - Prob. 5.15PCh. 5 - Prob. 5.16PCh. 5 - Consider the serup as in Problem 5.15, except find...Ch. 5 - Prob. 5.18PCh. 5 - Consider the as in Problem 5.8, except find R by...Ch. 5 - Consider the basic image problem of a point charge...Ch. 5 - Let the surface y=0 be a perfect conductor in free...Ch. 5 - The line segment x=0, -1≤y≤1, z=1, carries a...Ch. 5 - A dipole with P=0.1azμC. m is located at A(1,0,0)...Ch. 5 - At a certain temperature, the electron and hole...Ch. 5 - Electron and hole concentration increase with...Ch. 5 - A semiconductor sample has a rectangular cross...Ch. 5 - Atomic hydrogen contains 5.5Ă—1023 atoms/m at a...Ch. 5 - Find the dielectric constant of a material an...Ch. 5 - A coaxial conductor has radii a=0.8mm and b=3 mm...Ch. 5 - Consider a composite material made up of two...Ch. 5 - Prob. 5.31PCh. 5 - Two equal but p\opposite-sign point charges of...Ch. 5 - Two perfect dielectrics have relative...Ch. 5 - A sphere of radius b and dielectric constant £r...Ch. 5 - Prob. 5.35P
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