Solution Found!
Show that the units 1 A2 ? ? = 1 W , as implied by the
Chapter 20, Problem 47(choose chapter or problem)
QUESTION:
Problem 47PE
Show that the units 1 A2 ⋅ Ω = 1 W , as implied by the equation P = I2R .
Questions & Answers
QUESTION:
Problem 47PE
Show that the units 1 A2 ⋅ Ω = 1 W , as implied by the equation P = I2R .
ANSWER:
Solution 47PE
[P] = [I2] [R]
Substitute (ohm) for [R] and A (Ampere) for [I],
[P] = A2.
Now by ohm’s law,
V= IR
Unit o