Suppose Electrical Power P Is Given by , Where

question 11

Multiple Choice

Suppose electrical power P is given by , where E is voltage and R is resistance. Approximate the maximum percent error in calculating the power if 140 volts are applied to a 3000-ohm resistor and the possible percent errors in measuring E and R are 5% and 8%, respectively.

• A) 24%
• B) 42%
• C) 38%
• D) 43%
• E) 18%

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Definitions:

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Anal Stage

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