Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 38P
An iron-vane movement is rated 1 mA, 100
a. What is the current sensitivity?
b. Design a 20 A ammeter using the above movement. Show the circuit and component values.
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clc; clearvars;
% Read the file [y, Fs] = audioread('106miles.wav'); N = length(y); Nfft = 2^nextpow2(N); dt = 1/Fs; t = (0:dt:(N-1)*dt)'; % Ensure t is a column vector y = y - mean(y); % Remove DC component (if not already zero-mean)
% Carrier signal (25 kHz) fc = 25000; % Carrier frequency in Hz carrier = cos(2 * pi * fc * t);
% DSB-SC Modulation modulated_signal = y .* carrier;
% Plot Time Domain Signal figure; subplot(2,1,1); plot(t, y); title('Original Signal (Time Domain)'); xlabel('Time (s)'); ylabel('Amplitude');
subplot(2,1,2); plot(t, modulated_signal); title('DSB-SC Modulated Signal (Time Domain)'); xlabel('Time (s)'); ylabel('Amplitude');
% Frequency Domain (FFT) Y = fft(y, Nfft) / Nfft; Modulated_Y = fft(modulated_signal, Nfft) / Nfft; f = Fs * (0:(Nfft/2)) / Nfft; % Frequency vector
% Plot Frequency Domain Signal figure; subplot(2,1,1); plot(f, abs(Y(1:Nfft/2+1))); title('Original Signal…
5-9 A 230 V shunt motor has a nominal arma-
ture current of 60 A. If the armature resist-
ance is 0.152, calculate the following:
a. The counter-emf [V]
b. The power supplied to the armature [W]
c. The mechanical power developed by the
motor, [kW] and [hp]
5-10 a. In Problem 5-9 calculate the initial start-
ing current if the motor is directly con-
nected across the 230 V line.
b. Calculate the value of the starting resistor
needed to limit the initial current to 115 A.
how to solve this?
Chapter 7 Solutions
Introductory Circuit Analysis (13th Edition)
Ch. 7 - Which elements (individual elements, not...Ch. 7 - Repeat Problem 1 for the networks of Fig. 7.65....Ch. 7 - Determine RT for the networks in Fig. 7.66. Fig....Ch. 7 - Determine RT for the networks in Fig. 7.67. Fig....Ch. 7 - Find the total resistance for the configuration of...Ch. 7 - The total resistance RT for the network of Fig....Ch. 7 - For the network in Fig. 7.70. a. Does...Ch. 7 - For the network in Fig. 7.71: a. Determine RT. b....Ch. 7 - For the network of Fig. 7.72: a. find the currents...Ch. 7 - For the network of Fig. 7.73: Find the voltages V3...
Ch. 7 - For the network of Fig. 7.74 a. Find the voltages...Ch. 7 - For the circuit board in Fig. 7.75: Find the total...Ch. 7 - Find the value of each resistor for the network of...Ch. 7 - Find the resistance RT for the network of Fig....Ch. 7 - For the network in Fig. 7.78: a. Find currents...Ch. 7 - a. Find the magnitude and direction of the...Ch. 7 - Determine the currents I1andI2 for the network in...Ch. 7 - For the network in Fig. 7.81: a. Determine the...Ch. 7 - For the network in Fig. 7.82: a. Determine the...Ch. 7 - Determine the dc levels for the transistor network...Ch. 7 - For the network in Fig. 7.84: Determine the...Ch. 7 - For the network in Fig. 7.852 Determine RT by...Ch. 7 - For the network of Fig. 7.86: a. Find the voltages...Ch. 7 - For the network in Fig. 7.87: a. Determine the...Ch. 7 - For the network in Fig. 7.88 find the resistance...Ch. 7 - If all the resistors of the cube in Fig. 7.89 are...Ch. 7 - For the ladder network in Fig. 7.90: a. Find the...Ch. 7 - For the ladder network in Fig. 7.91: a. Determine...Ch. 7 - Given the voltage divider supply in Fig. 7.92: a....Ch. 7 - Determine the voltage divider supply resistors for...Ch. 7 - A studio lamp requires 40 V at 50 mA to burn...Ch. 7 - For the system in Fig. 7.94 a. At first exposure,...Ch. 7 - For the potentiometer in Fig. 7.95: a. What are...Ch. 7 - Prob. 34PCh. 7 - Given the voltmeter reading V = 27 V in Fig. 7.97...Ch. 7 - Determine the power delivered to the 6 load in...Ch. 7 - For the multiple ladder configuration in Fig....Ch. 7 - An iron-vane movement is rated 1 mA, 100 . a. What...Ch. 7 - Using a 50 A, 1000 movement, design a multirange...Ch. 7 - An iron-vane movement is rated 50 A , 1000 a....Ch. 7 - Using a 1 mA, 1000 movement, design a multirange...Ch. 7 - A digital meter has an internal resistance of 10 M...Ch. 7 - a. Design a series ohmmeter using a 100 A, 1000...Ch. 7 - Prob. 44PCh. 7 - Determine the reading of the ohmmeter for each...Ch. 7 - Using PSpice or Multisim, verify the result of...Ch. 7 - Using PSpice or Multisim, Confirm the solutions of...Ch. 7 - Using PSpice or Multisim, verify the result of...Ch. 7 - Using PSpice or Multisim, find voltage V6 of Fig....Ch. 7 - Using PSpice or Multisim, find voltages Vb and Vc...
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