T4A09 : How can you determine the length of time that equipment can be powered from a battery?
A
Divide the watt-hour rating of the battery by the peak power consumption of the equipment
B
Divide the battery ampere-hour rating by the average current draw of the equipment
C
Multiply the watts per hour consumed by the equipment by the battery power rating
D
Multiply the square of the current rating of the battery by the input resistance of the equipment
Correct Answer: Divide the battery ampere-hour rating by the average current draw of the equipment