Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 35, Problem 40SP
A step-up transformer operates on a 110-V line and supplies a load with 2.0 A. The ratio of the primary and secondary windings is 1:25. Determine the secondary voltage, the primary current, and the power output. Assume a resistive load and 100 percent efficiency.
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Transformers:
Part A- The primary coil of a transformer contains 100 turns; the secondary has 200 turns. The primary coil is connected to a size-AA battery that supplies a constant voltage of 1.5 volts. What voltage would be measured across the secondary coil?
zero
0.75Â VV
1.5Â VV
3.0Â V
Part B-
A transformer is intended to decrease the value of the alternating voltage from 500 volts to 25 volts. The primary coil contains 200 turns. Find the necessary number of turns N_2 in the secondary coil.
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(Express answer in terms of N_2.)
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Part D- In a transformer, the primary coil contains 400 turns, and the secondary coil contains 80 turns. If the primary current is 2.5 amperes, what is the secondary current I_2?
(Express answer in terms…
A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage to 330 kV. The
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An ideal 15-kVA transformer has 300 turns
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Chapter 35 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 35 - 14. An ammeter in a 60.0-Hz circuit reads 2.50 A....Ch. 35 - 15. Suppose the electrical power in an ac system...Ch. 35 - 16. The ac current in a 60.0-Hz circuit has an...Ch. 35 - 17. A coil possessing an inductance of 0.400 H is...Ch. 35 - 18. A 420-mF capacitor is in a 60.0-Hz circuit....Ch. 35 - Prob. 19SPCh. 35 - 20. A voltmeter reads 80.0 V when it is connected...Ch. 35 - 21. An ac current in a 10 Ω resistance produces...Ch. 35 - 22. A 40.0-Ω resistor is connected across a 15.0-V...Ch. 35 - Prob. 23SP
Ch. 35 - .
24. Solve Problem 35.22 if the 40.0-Ω resistor...Ch. 35 - 25. A coil has resistance 20 Ω and inductance 0.35...Ch. 35 - 26. A current of 30 mA is supplied to a 4.0-µF...Ch. 35 - 27. A coil has an inductance of 0.100 H and a...Ch. 35 - 28. A 10.0-µF capacitor is in series with a 40.0-Ω...Ch. 35 - 29. A circuit having a resistance, an inductance,...Ch. 35 - Prob. 30SPCh. 35 - 31. A circuit has a resistance of 11 Ω, a coil of...Ch. 35 - 32. A 120-V, 60-Hz power source is connected...Ch. 35 - 33. A coil of negligible resistance is connected...Ch. 35 - 34. The primary of an ideal transformer having...Ch. 35 - 35. The primary of an ideal transformer having...Ch. 35 - Prob. 36SPCh. 35 - Prob. 37SPCh. 35 - 38. A step-down transformer is used on a 2.2-kV...Ch. 35 - 39. A step-down transformer is used on a 1650-V...Ch. 35 - 40. A step-up transformer operates on a 110-V line...
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