Electrical Wiring Residential
18th Edition
ISBN: 9781285170954
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Textbook Question
Chapter 12, Problem 1R
If everything on Circuit B7 were turned on, what would be the total current draw?
______________________________________________________________________
Expert Solution & Answer
To determine
Calculate the total current drawn when every load on Circuit B7 is turned on.
Answer to Problem 1R
The total current drawn is 6.5 A.
Explanation of Solution
Given data:
Refer to TABLE 12-1 in the textbook for the various loads of Circuit B7.
Consider that the Volt-Amperes (VA) rating when all the loads in Circuit B7 are turned on is 780 W.
The value of voltage rating of the elements in Circuit B7 is 120 V.
Formula used:
Consider the expression for the total current.
Here,
VA is Volt-Ampere rating, and
E is voltage.
Calculation:
Substitute 780 W for VA and 120 V for E in Equation (1).
Conclusion:
Thus, the total current drawn is 6.5 A.
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