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27. Resistors & DC Circuits

Kirchhoff's Junction Rule

27. Resistors & DC Circuits

Kirchhoff's Junction Rule

Multiple Choice
There is a junction of three wires. $2.0 A$ flow into the junction along one path, and $3.5 A$ flow out along another path. How much charge flows in or out along the third path in $3 . 0 s$ ?
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Multiple Choice

In the figure, $I_{\nega} = 12$ and $I_{b} = 8.0 A$ . What are $I_{c}$ and $I_{d}$ ?
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Multiple Choice
Five wires intersect at a point. Wires A, B, and C carry currents $3.0 A$ into the point, $1.0 A$ out of the point, and $4.5 A$ into the point, respectively. What can you say about the remaining two wires, D and E?
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Multiple Choice
Which of the following statements is correct?
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Textbook Question
How much current flows through the bottom wire in FIGURE P28.66, and in which direction?
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Textbook Question
The 10.00 V battery in Fig. E26.28 is removed from the circuit and reinserted with the opposite polarity, so that its positive terminal is now next to point a. The rest of the circuit is as shown in the figure. Find the current in each branch.
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