Concept explainers
Solve the parallel circuit for total circuit resistance, total circuit amperage, and the amperage through each leg (Figure 15-65).
The total circuit resistance.
Total circuit amperage.
The amperage through leg 1.
The amperage through leg 2.
The amperage through leg 3.
Answer to Problem 8SA
The total circuit resistance is
Total circuit amperage is
The amperage through leg 1 is
The amperage through leg2 is
The amperage through leg3 is
Explanation of Solution
Given information:
The total voltage is
Write the expression of total resistance of the circuit.
Here, the third resistance is
Write the expression of total current or amperage.
Here, the total voltage is
Write the expression of current or amperage through leg 1.
Write the expression of current or amperage through leg2.
Write the expression of current or amperage through leg 3.
Calculation:
Substitute
Thus, the total circuit resistance is
Substitute
Thus, total circuit amperage is
Substitute
Thus, the amperage through leg 1 is
Substitute
Thus, the amperage through leg2 is
Substitute
Thus, the amperage through leg 3 is
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Chapter 15 Solutions
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