Power Formulas

Question 1

P = Power = Wattage
State the formula used to find power…
When volts and amperage are known.
P =

Answer 1

P = V • I

Question 2

P = Power = Wattage
State the formula used to find power…
When amperage and resistance are known.
P =

Answer 2

P = I² • R

Question 3

P = Power = Wattage
State the formula used to find power…
When volts and resistance are known.
P =

Answer 3

P = V² / R