document.write( "Question 1174348: The electric current I, is amperes, in a circuit varies directly as the voltage V. When 18 volts are applied, the current is 3 amperes. What is the current when 30 volts are applied? \n" ); document.write( "
Algebra.Com's Answer #799793 by Boreal(15235)\"\" \"About 
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V=kI
\n" ); document.write( "18=k*3
\n" ); document.write( "k=6 (which is the resistance, by the way)
\n" ); document.write( "30=6*I, so I=5 amps.
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