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Endless Exercises: DC Power Formulas, Level 2
Given the values shown in the middle column of this page, use the power formulas to determine the third value.
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 Given:
E = 13.9 V
I = 154.4 mA

Find:

P = ________
Hint:
P = IE
P = (154.4 mA)(13.9 V)

Answer:

P = 2.1 W


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