An iPod battery is rated at 3.7 volts and operates its iPod and earbuds with a direct current of 865 milliamps. What is the power rating of this iPod?
A) 16 Watts
B) 234 Watts
C) 3.2 Watts
D) 3.7 Joules per second

Question

Quizplus · Accepted Answer

The power can be calculated using the formula:
Power = Voltage x Current
Power = 3.7 V x 0.865 A
Power = 3.2 W
Therefore, the power rating of the iPod is 3.2 Watts (C).

An IPod Battery Is Rated at 3