Concept explainers
(a)
The current
(a)
Answer to Problem 89E
The current
Explanation of Solution
The circuit is given in Figure 17.41.
Apply Kirchhoff’s current rule in the junction where the three currents
Solve equation (I) for
Conclusion:
Substitute
Therefore, the current
(b)
The resistance
(b)
Answer to Problem 89E
The resistance
Explanation of Solution
The circuit is given in Figure 17.41. Apply Kirchhoff’s voltage rule in the loop involving the resistors
Solve equation (III) for
Conclusion:
Substitute
Therefore, the resistance
(c)
The EMF
(c)
Answer to Problem 89E
The EMF
Explanation of Solution
The circuit is given in Figure 17.41. Apply Kirchhoff’s voltage rule in the loop involving the resistors
Solve equation (V) for
Conclusion:
Substitute
Therefore, the EMF
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Chapter 17 Solutions
General Physics, 2nd Edition
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