Concept explainers
(a)
The current flowing through the 14-volt battery.
(a)
Answer to Problem 79GP
The current flowing through the 14-volt battery us
Explanation of Solution
Given info:
Consider the given circuit.
Formula Used:
Apply Kirchhoff’s in the loop acd.
Apply Kirchhoff’s in the loop bce.
Apply Kirchhoff’s in the loop cde.
Apply Kirchhoff’s current law at node d.
Apply Kirchhoff’s current law at node e.
Calculation:
Substitute the values from equation (4) and (5) to equation (3).
Substitute the values from equation (5) to equation (2).
Substitute the values from equation (4) to equation (1).
On solving equation (6), (7) and (8),
Hence, the current flowing through the 14-volt battery us
Conclusion:
Therefore, the current flowing through the 14-volt battery us
(b)
The potential difference between point a and b.
(b)
Answer to Problem 79GP
The difference in the voltage is
Explanation of Solution
Given information:
Consider the given circuit.
Formula Used:
Let
Calculation:
The values of
Then, the value of
The difference between the voltage is calculated as,
Conclusion:
Therefore, the difference in the voltage is
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Physics: Principles with Applications
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