ELECTRICITY FOR TRADES
3rd Edition
ISBN: 9780078118630
Author: Petruzella
Publisher: RENT MCG
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Chapter 2.1, Problem 9RQ
To determine
Fill in the blank with an appropriate word when an atom contains negatively charged ion.
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Determine the Fourier Series for the period T of the function in the image:
Show all work. Then, on one graph, use MATLAB to plot the three resulting series for 2, 10, and 50 terms (i.e. N1=1, N2=5, and N3=25 in MATLAB code) along with the original function y(t).
Assume T is 2, and A is 1 for the plot.
Chapter 2 Solutions
ELECTRICITY FOR TRADES
Ch. 2.1 - What three particles can be found within an atom?Ch. 2.1 - Which particle has a negative charge and rotates...Ch. 2.1 - Which particle of an atom has a positive charge?Ch. 2.1 - Compare the size and mass (weight) of the electron...Ch. 2.1 - Prob. 5RQCh. 2.1 - Normally every atom contains an ___________ number...Ch. 2.1 - Prob. 7RQCh. 2.1 - Prob. 8RQCh. 2.1 - Prob. 9RQCh. 2.1 - Prob. 10RQ
Ch. 2.2 - _________ electrons are found in the outermost...Ch. 2.2 - Whenever a valence electron is removed from its...Ch. 2.2 - Prob. 3RQCh. 2.2 - Conductors offer _________ resistance to current...Ch. 2.2 - Conductors have incomplete valence shell of...Ch. 2.2 - Insulators have few, if any, _______ electrons.Ch. 2.2 - Semiconductors have some of the characteristics of...Ch. 2.2 - Two examples of pure semiconductor materials are...Ch. 2.2 - Explain the main characteristic of a semiconductor...Ch. 2.2 - What is voltage similar to?Ch. 2.2 - Electric current refers to the flow of _________...Ch. 2.2 - Compare the resistance of a conductor with that of...Ch. 2.2 - What does the circuit of a simple battery-operated...Ch. 2.2 - Prob. 14RQ
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- A transistor with ẞ=100 is biased to operate at a dc collector current of 0.5mA. Find the values of gm гл, and re. Repeat for a bias current of 50uA.arrow_forwardUse the MATLAB function ‘fft’ to compute the DFT for the following function: f (t)= 1.5 + 1.8 cos(2π(12)t) + 0.8 sin(2π(20)t) - 1.25 cos(2π(28)t) Take n=64 samples with a sampling frequency of fs = 128 samples/s. Have your script compute values of △t, tn, △f, fmin, and fmax, and generate plots f(t) versus time (s), Real component versus frequency, Imaginary component versus frequency, and power spectrum vs frequency.arrow_forwardUsing the T model, show that the input resistance between base and emitter, looking in to the base, is equal to г.arrow_forward
- +3 V 10 ΚΩ - Vc + % VC+% 2) /= 0.2 mA Fig. 1arrow_forward. For the general amplifier circuit shown in Fig. 4 neglect the Early effect. a) Find expressions for Ve/Vaig and ve/Vsig b) If Vsig is disconnected from node X, node X is grounded, and node Y is disconnected from ground and connected to Vsig, find the new expression for Vo/Vsigarrow_forward. For the circuit in Fig. 3, let Rsig >>re, and a≈1. Find Vo.arrow_forward
- 3. Calculate the indicated currents and voltages for the circuit Figure 3 R₁₂ 8 ΚΩ R₁ w 4 ΚΩ R3 ww a R6 W 12kQ W + R₁ RA 24 ΚΩ Ι E = 72 V V7 RS 15 b W 12 ΚΩ 12 k Figure 3 9 ΚΩ Ro W 6kN 3 ΚΩ R8arrow_forward2. Find the voltages V₁, V3, Vab and current I, for the circuit Figure 2 E₁6V + R3 www 60 + V3 - R₁ www 50 + V₁- α Vab RA www 20 R₂ w 3Ω 18 VE₂ Iarrow_forward3. a) Given the circuit shown below in figure P3, compute the capacitor voltage, vc(t), for t≥ 0 utilizing the generalized equation presented in lecture. Assume the "make-before-break" switch shown in figure P3 is ideal and makes the transition from position A to position B in zero time. The current and voltage conventions shown must be used in the analysis to receive any credit. b) Use your answer to part 3(a) above and the relationship between the capacitor voltage, vc(t), and the capacitor current, ic(t), shown below in equation P3 to compute ic(t) for t≥0. = Equation P3: ic(t) C dvc(t) dt A B t = 0 == V₁(t) R₁ = 20[k] + [i,(t) V2(t) VS1 = 100[V] + Vs2=200[V] C + + R₂ = 20[k2] i2(t) V3(t) = vc(t) + ↓ iz(t) R3 = 20[k≤2] Figure P3 |↓ic(t) vc(t): C = 1[μF]arrow_forward
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