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-For a Resistor in a Direct Current Circuit That 116\frac { 1 } { 16 }

Question 134

Multiple Choice

Solve.
-For a resistor in a direct current circuit that does not vary its resistance, the power that a resistor must dissipate is directly proportional to the square of the voltage across the resistor. The resistor must dissipate 116\frac { 1 } { 16 } watt of power when the voltage across the resistor is 14 volts. Find the power that the resistor must dissipate when the voltage across it is 28 volts.


A) 78watt\frac { 7 } { 8 } \mathrm { watt }
B) 494\frac { 49 } { 4 } watts
C) 14watt\frac { 1 } { 4 } \mathrm { watt }
D) 18watt\frac { 1 } { 8 } \mathrm { watt }

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