document.write( "Question 1069184: f the power dissipated in a resistor is 494 W when the current is 2.45 A, find the power when the current is 3.45 A.\r
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document.write( "[Hint: the power dissipated in a resistor varies directly as the square of the current in the resistor.]\r
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document.write( "Round your answer to 3 significant digits. \n" );
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Algebra.Com's Answer #684394 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! P=kI^2, where I is the current \n" ); document.write( "494=k*2.45^2=6.0025 k \n" ); document.write( "k=494/6.0025=82.3 \n" ); document.write( "------------------ \n" ); document.write( "P=82.3*3.45^2=979.57 or 980 W. \n" ); document.write( " |