An insulated piston-cylinder device contains 8 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. O'H Pconstant W,

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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An insulated piston-cylinder device contains 8 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.
H,O
P=constant
w
Transcribed Image Text:An insulated piston-cylinder device contains 8 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. H,O P=constant w
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