Simplify the following text for a Grade 10 native English-speaking person.
Original: where I is the current through the conductor in units of amperes , V is the potential difference measured across the conductor in units of volts , and R is the resistance of the conductor in units of ohms .
Simplified: where I is the current in amperes , V is the potential difference in volts , and R is a constant , measured in ohms , called the resistance .