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)![]() ![]() You can put this solution on YOUR website! 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. \n" ); document.write( " \n" ); document.write( " |