The circuit shown in Figure P27.17 is connected for 2.00 min. (a) Determine the current in each branch of the circuit. (b) Find the energy delivered by each battery. (c) Find the energy delivered to each resistor. (d) Identify the type of energy storage transformation that occurs in the operation of the circuit. (e) Find the total amount of energy transformed into internal energy in the resistors.
(a)
Answer to Problem 28.23P
Explanation of Solution
Given info: The circuit connected for
Consider the figure given below,
Figure (1)
From the Kirchhoff law,
In the circuit given above there are two loops
Apply Kirchhoff current law for the loop
Substitute
Multiply
Add equation (3) and equation (2).
Substitute
Substitute
Conclusion:
Therefore, the current in each branch of the circuit is
(b)
Answer to Problem 28.23P
Explanation of Solution
Given info: The circuit connected for
Formula to calculate energy for the battery is,
Here,
For
Substitute
For
Substitute
Conclusion:
Therefore, the energy delivered by each battery is
(c)
Answer to Problem 28.23P
Explanation of Solution
Given info: The circuit connected for
Formula to calculate energy transformed into internal energy in the resistors is,
Here,
For
Substitute
For
Substitute
For
Substitute
For
Substitute
For
Substitute
Conclusion:
Therefore, the energy delivered to each resistors is
(d)
Answer to Problem 28.23P
Explanation of Solution
Given info: The circuit connected for
For the
For the
Conclusion:
Therefore, the potential energy in the
(e)
Answer to Problem 28.23P
Explanation of Solution
Given info: The diagram is given above in Figure (1).
Formula for the total amount of energy transformed into internal energy in the resistors is,
Substitute
Conclusion:
Therefore, the total amount of energy transformed into internal energy in the resistors is
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Chapter 28 Solutions
PHYSICS:F/SCI.+ENG.,TECH.UPD.-WEBASSIGN
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