n in the figure below, a closed, rigid tank fitted with a fine-wire electric resistor is filled with Refrigerant 22, initia of 80%, and a volume of 0.01 m3. A 12-volt battery provides a 5-amp current to the resistor for 4 minutes. Refrigerant 22 T =-10°C = 80% V = 0.01 m3 Resistor 12-volt battery provides a 5-amp current.

n in the figure below, a closed, rigid tank fitted with a fine-wire electric resistor is filled with Refrigerant 22, initia of 80%, and a volume of 0.01 m3. A 12-volt battery provides a 5-amp current to the resistor for 4 minutes. Refrigerant 22 T =-10°C = 80% V = 0.01 m3 Resistor 12-volt battery provides a 5-amp current.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.

Question

As shown in the figure below, a closed, rigid tank fitted with a fine-wire electric resistor is filled with Refrigerant 22, initially at -10°C, a
quality of 80%, and a volume of 0.01 m3. A 12-volt battery provides a 5-amp current to the resistor for 4 minutes.
Refrigerant 22
T = -10°C
X = 80%
V = 0.01 m
Resistor
12-volt battery provides a
5-amp current.
0000000000000
If the final temperature of the refrigerant is 50°C, determine the heat transfer, in kJ, from the refrigerant to its surroundings.
i
kJ

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