MASTERINGPHYSICS W/ETEXT ACCESS CODE 6
13th Edition
ISBN: 9781269542661
Author: YOUNG
Publisher: PEARSON C
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Textbook Question
Chapter 20, Problem 20.46P
A monatomic ideal gas it taken around the cycle shown in Fig P20.46 in the direction shown in the figure. The path for process c → a is a straight line in the pV-diagram. (a) Calculate Q, W, and ΔU for each process a → b, b → c, and c → a. (b) What are Q, W, and ΔU for one complete cycle? (c) What is the efficiency of the cycle?
Figure P20.46
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220 V is supplied to 800 primary turns of an autotransformer. What will the outputvoltage be across 200 secondary turns?
2. A filament transformer has a turns ratio of 1:20. What current must be supplied to theprimary windings if 5 A is required by the filament?
3. The filament transformer in the previous question is supplied with 150 V to theprimary side. What is the secondary voltage?
4. 440 V is supplied to 1000 primary turns of an autotransformer. If the desired outputvoltage is 100 V how many secondary turns must be tapped?
Chapter 20 Solutions
MASTERINGPHYSICS W/ETEXT ACCESS CODE 6
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