How many volts are required to push 3 amps through a resistance of 4 ohms?

A) 1 volt
B) 12 volts
C) 7 volts
D) 1 1/4 volts

Ohms

The standard unit of electrical resistance in the International System of Units (SI), symbolizing the resistance between two points of a conductor.

Amps

A unit of electric current in the International System of Units (SI), short for amperes.

Volts

Volts are the unit of electric potential and electric potential difference in the International System of Units (SI), indicating the force that drives electric current between two points.