Solution Manual for Delmar's Standard Textbook of Electricity, 5th Edition

Instructor’s Guide to Accompany Experiments in ELECTRICITY for use with Lab-Volt EMS Equipment ® Fifth Edition STEPHEN L. HERMAN A u s tr al ia Br azi l J a p a n Ko rea M e x i c o Si ng ap or e S pa in Un it ed Ki ng do m Uni t ed St a t es Instructor’s Guide to Accompany Experiments in Electricity for use with Lab-Volt, 5th Edition Stephen L. Herman Vice President, Career and Professional Editorial: Dave Garza Director of Learning Solutions: Sandy Clark Acquisitions Editor: Stacy Masucci Managing Editor: Larry Main Senior Product Manager: John Fisher Editorial Assistant: Andrea Timpano Vice President, Career and Professional Marketing: Jennifer Baker © 2011, 2009 Delmar, Cengage Learning ALL RIGHTS RESERVED. 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To learn more about Delmar, visit www.cengage.com/delmar Purchase any of our products at your local college store or at our preferred online store www.CengageBrain.com Notice to the Reader Publisher does not warrant or guarantee any of the products described herein or perform any independent analysis in connection with any of the product information contained herein. Publisher does not assume, and expressly disclaims, any obligation to obtain and include information other than that provided to it by the manufacturer. The reader is expressly warned to consider and adopt all safety precautions that might be indicated by the activities described herein and to avoid all potential hazards. By following the instructions contained herein, the reader willingly assumes all risks in connection with such instructions. The publisher makes no representations or warranties of any kind, including but not limited to, the warranties of fitness for particular purpose or merchantability, nor are any such representations implied with respect to the material set forth herein, and the publisher takes no responsibility with respect to such material. The publisher shall not be liable for any special, consequential, or exemplary damages resulting, in whole or part, from the readers’ use of, or reliance upon, this material. Printed in the United States of America 1 2 3 4 5 6 7 11 10 09 08 iii NOTE to the INSTRUCTOR This guide provides answers to the questions in the laboratory manual Experiments in Electricity for Use with Lab-Volt ® EMS Equipment. Many answers were obtained by operating the equipment and taking readings with test instruments. Because readings can vary from one meter to another, measurement values should be used as guidelines and not as absolute. Every effort has been made to provide you, the instructor, with as accurate answers as possible. 1 SAFETY 1. Think 2. To prevent a current path from being established through the heart 3. 0.100–0.200 A 4. The heart vibrates at a high rate and does not pump blood to the rest of the body. 5. It causes the heart to contract and then relax. EXERCISE 1 THE POWER SUPPLY 11. Terminals Voltage (volts) 1-2 1-3 2-3 1-N 2-N 3-N 4-5 4-6 5-6 4-N 5-N 6-N 7-N 8-N 208 208 208 120 120 120 208 208 208 120 120 120 120 120 AC/DC Fix/Var (F) (V) Current (amps) AC AC AC AC AC AC AC AC AC AC AC AC DC DC F F F F F F V V V V V V V F 15 15 15 15 15 15 5 5 5 5 5 5 8 2 13. No 14. 208 VAC 17. Upscale 19. 23. 140 VDC 25. Yes 27. Yes 28. Polarity-sensitive 31. 145 VDC 33. Fixed 36. 0.4 A 37. 0.4 A Review Questions 1. 15 A 2. 208 VAC 3. Variable 4. Fixed 5. 120 VAC 6. 2 ADC 7. DC 8. 5 AAC 9. Yes 10. Yes EXERCISE 2 OHM’S LAW 3. 1.2 A 4. 144 W 6. 1.2 A 9. 2 A 10. 240 W 12. 2 A Review Questions Terminals Voltage (volts) Fix/Var (F) (V) 1-2 1-3 2-3 1-N 2-N 3-N 4-5 4-6 5-6 4-N 5-N 6-N 208 208 208 120 120 120 208 208 208 120 120 120 F F F F F F V V V V V V 1. 7.5 A 2. 900 W 3. 0.833 A 4. 144 W 5. 10 A EXERCISE 3 SERIES CIRCUITS 3. 740 W 4. 740 W