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 35SP
The primary of an ideal transformer having negligible losses has 200 times the number of turns as the secondary. If the input power is 200 W dc, what is the output power? The load is purely resistive.
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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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- An emf of 9.7 × 10-3 V is induced in a coil while the current in a nearby coil is decreasing at a rate of 2.7 A/s. What is the mutual inductance of the two coils?arrow_forwardCheck Your Understanding A transformer steps the line voltage down from 110 to 9.0 V so that a current of 0.50 A can be delivered to a doorbell (a) What is the ratio of the number of turns in the primary and secondary windings? (b) What is the current in the primary winding? (c) What is the resistance seen by the 110-V source?arrow_forwardAn emf of 0.40 V is induced across a coil when the current through it changes uniformly from 0.10 to 0.60 A in 0.30 s. What is the self-inductance of the coil?arrow_forward
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- Two step-up transformers are connected in series, the secondary of the first to the primary of the second. Both transformers have a turns ratio of 1:5 (primary:secondary). What will be the output voltage, Vout, when an input voltage of 12.0 V AC is applied? Vout = [?] V Voltage (V) Enterarrow_forwardA transformer having efficiency of 90% is working on 200 V and3 kW power supply. If the current in the secondary coil is 6A, the voltage across the secondary coil and the current in the primary coil respectively are : a. 450 V,15 A b. 450V,13.5A c. 600 V,15 A d. 300 V,15 Aarrow_forwardIn a non-ideal transformer, provide a physical explanation as to why the current in the primary coil changes when the resistor in the secondary coil changes.arrow_forward
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