Solve the Variation Problem

Multiple Choice

Solve the variation problem.
-According to Ohm's law, the electric current, in amperes (A) , in a circuit varies directly as the voltage, in volts (V) . When 18 V are applied, the current is 2 A. What is the current when 25 V are applied?

A) 18. 25 A
B) 9 A
C) 2.78 A
D) 45 A