Solve the Problem

Multiple Choice

Solve the problem. Round your answer to two decimal places.
-According to Ohm's law, the electric current I, in amperes, in a circuit varies directly as the voltage V. When 28 volts are applied, the current is 4 amperes. What is the current when 10 volts are applied?

A) 7 amperes
B) 1.43 amperes
C) 70 amperes
D) 42 amperes