Solve.The power that a resistor must dissipate is jointly proportional to the square of the current flowing through the resistor and the resistance of the resistor. If a resistor needs to dissipate  of power when  of current is flowing through the resistor whose resistance is  find the power that a resistor needs to dissipate when  of current are

flowing through a resistor whose resistance is 



A. 28 watts

B. 98 watts

C. 14 watts

D. 56 watts


Answer: B

Mathematics

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