Which of the following is used to determine the relative density of the acid in a car battery?
Question 1 Report
Which of the following is used to determine the relative density of the acid in a car battery?
Answer Details
A hydrometer is used to determine the relative density of the acid in a car battery. A hydrometer is a device that measures the specific gravity or relative density of a liquid. The acid in a car battery is a mixture of sulfuric acid and water, and its density changes with the state of charge of the battery. A hydrometer can be used to measure the relative density of the acid, which provides an indication of the state of charge of the battery. When the battery is fully charged, the acid has a higher density than when it is discharged. Therefore, by measuring the relative density of the acid, it is possible to determine the state of charge of the battery.
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