Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Chapter 7, Problem 41P
Using a 1 mA, 1000
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A voltmeter with resistance Rv =1000V is connected in parallel with resistance R=50 ohms. The applied voltage V= 240V. Determine the error (E) & percentage error (%E) in the measurement of voltage (V) due to loading effect of voltmeter .
Design a multi range DC voltmeter for the range of (0-5) V, (0-10) V, (0-50) V
using a basic internal resistance of 100 Ω and a full scale deflection current of the
meter is 1 mA.
It is desired to measure a voltage of 80 V with a voltmeter with a full scale value of 500V.As a result of the measurement made with this voltmeter with manufacturing class 2.5
A)absolute error
B)Calculate the relative error
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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- 2. The circuit shown below is to be used to make a high-input-impedance DC voltmeter. The meter requires 100 μA current for full-scale deflection. What value of Ri will provide a range of 0 to 8 V R₁ 100 uA FSarrow_forward1. A voltmeter with resistance 'Ry' is connected in parallel with resistance R=150 ohms. The applied voltage V= 175V. Determine the error (E) & percentage error (%E) in the measurement of voltage (V) due to loading effect of voltmeter when-(i) Ry =2.75M 2 Varrow_forward0.2 A moving coil instrument gives a half scale deflection for a current of 20 mA with a potential difference of 300 mV across it. Using direct method, calculate and design: i) Shunt resistors are required to use it as an ammeter to get ranges 0 – 50 A and 0- 100 A. ii) Multiplier resistors are required to use it as a voltmeter of ranges 0 – 150 V and 0– 300 v.arrow_forward
- 3-13 A PMMC instrument with Rm= 1.3 k and FSD = 500 µA is used in a multirange de voltmeter. The series-connected multiplier resistors are R, = 38.7 k2, R2 = 40 kN, and R3 = 40 kN. Calculate the three voltage ranges and determine the voltmeter sensitivity. %3D %3Darrow_forwardA voltmeter with a range of 0 to 100 V reads 2 V when the leads are shorted together. The manufacturer claims an accuracy of ±4 % of full scale. Estimate the maximum error when reading a voltage of 80 V in both volts and as a percentage of reading. If the voltmeter is adjusted so that the reading when the leads are shorted together is 0 V, estimate the maximum percent error when reading 80 Varrow_forwardMeasring instrumentsarrow_forward
- low resistance Choose... voltmeter Done Choose... maximize the loading effect minimize the loading effect multimeter voltmeterarrow_forwardYou are given a galvanometer with a resistance of 16.3 2 and a full scale deflection current of 8.22 mA. You use a 22.7-mN shunt resistor to convert this galvanometer into an ammeter. (a) How should you connect the shunt resistor and galvanometer resistance? series parallel (b) Find the maximum current the ammeter is capable of reading. Aarrow_forward1. A PMMC instrument has internal resistance of 1.7kΩ andgives full scale deflection for 50μA. Calculate the required resistance value of multiplier resistors for employing the meter as a multi range voltmeter for voltage ranges of 10V, 50V and 100V.arrow_forward
- 1. Determine the value of the multiplier resistance needed to measure a voltage range of 0-10V of a basic D' Arsonval movement with a full-scale deflection of 250 µA and internal resistance of 2502 is used as a DC voltmeter. 2. Calculate the value of shunt resistance required in a 10mA meter movement with an internal resistance of 10002 is to be converted into a 0-1000 mA. 3. Find the value of Rx given PMMC with resistance 1002 was using in series ohmmeter. R1 = 5002, R2 = 4002 and supply voltage = 10v. When connected with Rx, the reading shows 0.5mA.arrow_forward2)This multiple choice question from MEASUREMENTS INSTRUMENTATIONS course.arrow_forwardA galvanometer with a resistance of 15.0 N gives a full-scale reading for a current of 3.0 A. (a) What is the voltage corresponding to the full-scale deflection of the galvanometer? (b) What resistance connected in series with this galvanometer is needed to convert this into a voltmeter with a 300.0 V full-scale reading? A digital multimeter has an internal electronic circuitry that is different from a galvanometer. This circuitry senses the electrical signal (voltage or current) or the resistance of the sample under test, and converts them to a digital data through a built-in analog-to-digital converter. A digital multimeter has a microcontroller that processes the digital data and displays the readout to a liquid crystal display (LCD) matrix. A typical digital multimeter is shown in figure 4-6. CE Fig. 4-6. A digital multimeter MTIMETRarrow_forward
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