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## GR0877 Problem 3

PROBLEM STATEMENT: This problem is still being typed.

SOLUTION: (E) The dissipating power is $P = V^2/R$, where $V$ is the voltage across resistor $R$. Hence, if you double $U$, the power will quadruple. Comment: you cannot use $P = VI$, because if you change $V$ the current $I$ through the resistor will also change.

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