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## Homework Statement

In a simple electrical circuit, the current in a resistor is measured as 2.5 ± 0.05 mA. The resistor is marked as having a value of 4.7 Ω ± 2%. If these values were used to calculate the power dissipated in the resistor, what would be the percentage uncertainty in the value obtained?

## Homework Equations

none

## The Attempt at a Solution

please help me, what is the solution for this one? thanks

i'm sorry, i post this in the advanced physics too, i'm confused where to post this.. hope you can help me...