4. An insulated piston-cylinder device contains 5 L of saturated liquid water at a constant pressure of 175 kPa. Water is stirred by a paddle wheel while a current of 8 A flows for 45 min through a resistor placed in the water. If one-half of the liquid is evaporated during this constant-pressure process and the paddle wheel work amounts to 400 kJ, determine the voltage of the source.
4. An insulated piston-cylinder device contains 5 L of saturated liquid water at a constant pressure of 175 kPa. Water is stirred by a paddle wheel while a current of 8 A flows for 45 min through a resistor placed in the water. If one-half of the liquid is evaporated during this constant-pressure process and the paddle wheel work amounts to 400 kJ, determine the voltage of the source.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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![Chapter 4: Energy AnalysIs
Closed Systems
Energy Balan
(4-2)
4. An insulated piston-cylinder device contains 5 L of saturated liquid water at a constant
pressure of 175 kPa. Water is stirred by a paddle wheel while a current of 8 A flows for
45 min through a resistor placed in the water. If one-half of the liquid is evaporated
during this constant-pressure process and the paddle wheel work amounts to 400 kJ,
determine the voltage of the source.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F29d47dce-b656-4d12-aff6-1de634bf79f0%2Fbbef775a-d8c0-4691-8a53-ed238cf27f52%2Fdn6fzdm_processed.png&w=3840&q=75)
Transcribed Image Text:Chapter 4: Energy AnalysIs
Closed Systems
Energy Balan
(4-2)
4. An insulated piston-cylinder device contains 5 L of saturated liquid water at a constant
pressure of 175 kPa. Water is stirred by a paddle wheel while a current of 8 A flows for
45 min through a resistor placed in the water. If one-half of the liquid is evaporated
during this constant-pressure process and the paddle wheel work amounts to 400 kJ,
determine the voltage of the source.
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