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Endless Exercises: DC Power Formulas, Level I
Given the values shown in the middle column of this page, use the basic power formulas to determine the third value.
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Given:
E = 20.2 V
R = 47 kW

Find:

P = ________
Hint:
P = E2 / R
P = (20.2 V)2 / (47 kW)

Answer:

P = 8.6 mW


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Copyright © 2003 David L. Heiserman
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