document.write( "Question 712109: 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 144 watts of power when 6 amperes of current is flowing through the resistor whose resistance is 4 ohms find the power that a resistor needs to dissipate when 2 amperes of current are flowing through a resistor whose resistance is 3 ohms \n" ); document.write( "
Algebra.Com's Answer #437753 by ankor@dixie-net.com(22740)\"\" \"About 
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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.
\n" ); document.write( " If a resistor needs to dissipate 144 watts of power when 6 amperes of current is flowing through the resistor whose resistance is 4 ohms find the power that a resistor needs to dissipate when 2 amperes of current are flowing through a resistor whose resistance is 3 ohms
\n" ); document.write( ":
\n" ); document.write( "p = i^2*r, where:
\n" ); document.write( "p = power in watts
\n" ); document.write( "i = current in amps
\n" ); document.write( "r = resistance in ohms
\n" ); document.write( ":
\n" ); document.write( "p = 2^2 * 3
\n" ); document.write( "p = 12 watts \n" ); document.write( "
\n" );