Physics
Ohm Law
Relate voltage, current and resistance.
V = I × R
Formula Explanation
For an ohmic conductor under constant physical conditions, voltage is proportional to current.
Variables Explained
V = Voltage in volts; I = Current in amperes; R = Resistance in ohms.
Solved Example
Find voltage when current is 2 A and resistance is 6 Ω.
V = 2 × 6 = 12 V.