The primary objectives of this revision of the laboratory manual include insuring that the procedures are clear, that the results clearly support the theory, and that the laboratory experience results in a level of confidence in the use of the testing equipment commonly found in the industrial environment.
For those curriculums devoted to a dc analysis one semester and an ac analysis the following semester there are more experiments for each subject than can be covered in a single semester. The result is the opportunity to pick and choose those experiments that are more closely related to the curriculum of the college or university. All of the experiments have been run and tested during the 13 editions of the text with changes made as needed. The result is a set of laboratory experiments that should have each step clearly defined and results that closely match the theoretical solutions.
Two experiments were added to the ac section to provide the opportunity to make measurements that were not included in the original set. Developed by Professor David Krispinsky of Rochester Institute of Technology they match the same format of the current laboratory experiments and cover the material clearly and concisely. All the experiments are designed to be completed in a two or three hour laboratory session. In most cases, the write-up is work to be completed between laboratory sessions. Most institutions begin the laboratory session with a brief introduction to the theory to be substantiated and the use of any new equipment to be used in the session.
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dc Experiments
1 Math Review and Calculator Fundamentals dc 1
2 Resistors and the Color Code 21
3 Ohm’s Law 31
4 Series Resistance 45
5 Series dc Circuits 59
6 Parallel Resistance 69
7 Parallel dc Circuits 81
8 Rheostats and Potentiometers 93
9 Series-Parallel dc Circuits 107
10 Power Ratings of Resistors 121
11 Superposition Theorem (dc) 129
12 Thevenin’s Theorem and Maximum Power Transfer 141
13 Norton’s Theorem and Current Sources 155
14 Methods of Analysis 167
15 Capacitors 179
16 R-C Circuits, Transient Response 189
17 R-L and R-L-C Circuits with a dc Source Voltage 201
18 Design of a dc Ammeter and Voltmeter and Meter Loading Effects 213
19 Wheatstone Bridge and -Y Conversions 223
20 Ohmmeter Circuits 233
ac Experiments
1 Math Review and Calculator Fundamentals ac 243
2 The Oscilloscope 259
4 R-L-C Components 285
5 Frequency Response of R, L, and C Components 299
6 Frequency Response of the Series R-L Network 311
7 Frequency Response of the Series R-C Network 325
8 The Oscilloscope and Phase Measurements 337
9 Series Sinusoidal Circuits 353
10 Parallel Sinusoidal Circuits 367
11 Series-Parallel Sinusoidal Circuits 385
12 Superposition Theorem (ac) 403
13 Thevenin’s Theorem and Maximum Power Transfer 411
14 Series Resonant Circuits 425
15 Parallel Resonant Circuits 441
16 Power Factor and Power Factor Correction 457
18 Investigating the Responses of a Cross-over Network 483
19 The Transformer 493
20 Pulse Waveforms 503
21 Currents and Voltages in Balanced Three-Phase Systems 521
22 Power Measurements in Three-Phase Systems 533
Parts List for the Experiments 549
Appendices
I Resistor Color Coding 553
II Capacitor Color Coding 555
III Resistance Measurements (VOM) 556
IV Proper Use of the VOM Multimeter 557
V Scientific Notation and Trigonometric Identities 558
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