PHYS208 Fundamentals of Physics II

Hint for Ch. 27, 55P

a. Remember that energy is power x time.
kW-hr is a unit of energy, 1000 watt-hour.

b. Solve (c) first and then apply Ohm's law.

c. Recall that electrical power = current x voltage.


"http://www.physics.udel.edu/~watson/phys208/exercises/hints/27-55P.html"
Last updated Sept. 13, 1997.
Copyright George Watson, Univ. of Delaware, 1997.