Question

2. A computer laptop battery has a capacity of 5,000 milliamp hours, meaning it could deliver 1,000 milliamps

of current every hour for 5 hours or 2,000 milliamps of current every hour for 2.5 hours. If it is fully charged and
set to deliver 1500 milliamps of current every hour, after how many hours will it have 200 milliamp hours
emaining?
a) 2.4 hours
b) 3.2 hours
c) 4.8 hours
d) 7.5 hours

Answer 1

To find the number of hours it will take for the laptop battery to have 200 milliamp hours remaining, divide the total capacity of the battery by the current it is set to deliver every hour.

Therefore, option B is correct.

Step-by-step explanation:

To find the number of hours it will take for the laptop battery to have 200 milliamp hours remaining, we need to divide the total capacity of the battery by the current it is set to deliver every hour.

The battery has a capacity of 5000 milliamp hours and is set to deliver 1500 milliamps of current every hour. So, the calculation would be: 5000 milliamp hours / 1500 milliamps = 3.33 hours.

Therefore, after approximately 3.33 hours, the laptop battery will have 200 milliamp hours remaining.