Engineering Electromagnetics
9th Edition
ISBN: 9780078028151
Author: Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 4, Problem 4.25P
Consider an electric field intensity in free space that exhibits a Gaussian function of radius in spherical coordinates
where pc and a are constants, and where the field exists everywhere, (a) What charge density would produce this field? (b) What total charge is present? (c) What is the potential at the origin? (d) What is the net stored energy in the field?
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Waveform: Triangle wave
Frequency: 5000 Hz
Duty Cycle: 40%
Amplitude: 8 Vp
On the oscilloscope, set the timebase to 100 μs/Div.
Now run the simulation and measure the rise time and fall time of the triangle wave in V/100 μs. Are these values consistent with a 40% duty cycle?
I am trying to calculate V/100us.
(T2−T1) rise=32.474uS
(T2−T1) fall=47.755uS
Minimum Voltage (V_min): 786.026 mV = 0.786026 V
Maximum Voltage (V_max): 7.206 V
Slope(rise) =6.419974/32.474×10^6 = 197,579.76,V/s *1,s/100,μs =197,579.76,V/100us
I am checking the answer and I am concerned for V/100us =197,579.76,V/100us is to high? Please help me verify the answer for V/100us is correct. (I just need the calculations from my measurments) any insight is appreciated I did not post the pics of my virtual oscilliscope.
Connect the function generator and the scope, as shown in the same example. Set the function generator as follows:
Waveform: Triangle wave
Frequency: 5000 Hz
Duty Cycle: 40%
Amplitude: 8 Vp
On the oscilloscope, set the timebase to 100 μs/Div.
Now run the simulation and measure the rise time and fall time of the triangle wave in V/100 μs. Are these values consistent with a 40% duty cycle?
How do I answer this question? what is V/100us?
help on this question about noise figure?
Chapter 4 Solutions
Engineering Electromagnetics
Ch. 4 - Given E = Exax + Eyay + Ez3z V/m, where EX, Ey,...Ch. 4 - A positive point charge of magnitude q1 lies at...Ch. 4 - Given E=Epap+Ea+Ez+azV/m, where Ep, E and E2 are...Ch. 4 - An electric field in free space is given by...Ch. 4 - Consider the vector field G = (A/p) aa where A is...Ch. 4 - A electric field in free space is given as...Ch. 4 - Prob. 4.7PCh. 4 - Given E=-xax+yay,(a) find the work involved in...Ch. 4 - An electric field intensity in spherical...Ch. 4 - A sphere of radios a carries a surface density of...
Ch. 4 - At large distances from a dipole antenna (to be...Ch. 4 - Prob. 4.12PCh. 4 - Thee identical point charges of 4 pC each are...Ch. 4 - Given the electric field E=(y+1)ax+(x1)ay+2az find...Ch. 4 - Two uniform lines, 8 nC/m, are located at x=1, z=2...Ch. 4 - A spherically symmetric charge distribution in...Ch. 4 - Uniform surface charge densities of 6 and 2 nC/m2...Ch. 4 - Find the potential at the origin produced by a...Ch. 4 - Volume charge density is given as pv=poer/C/m3,...Ch. 4 - En a certain medium, the electric potential is...Ch. 4 - Prob. 4.21PCh. 4 - A Line charge of infinite length lies along the z...Ch. 4 - Prob. 4.23PCh. 4 - A certain spherically symmetric charge...Ch. 4 - Consider an electric field intensity in free space...Ch. 4 - Let us assume that we have a very thin, square,...Ch. 4 - By performing an appropriate Line integral from...Ch. 4 - Prob. 4.28PCh. 4 - A dipole having a moment P=3ax-5ay+10aznC.m is...Ch. 4 - Prob. 4.30PCh. 4 - A potential field in free space is expressed as...Ch. 4 - Prob. 4.32PCh. 4 - Prob. 4.33PCh. 4 - A sphere of radius a contains volume charge of...Ch. 4 - Four 0.8 nC point charge are located in free space...Ch. 4 - Surface charge of uniform density ps lies on a...
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