About 1.265 (taken from Wikipedia)
The answer is C 1.3.
when a battery is fully charged , the amount of sulfuric acid mixed with the water is sufficient to give a specific gravity of about 1.3 when battery is discharged to 50 percent, the specific gravity reading should be 1.2 any specific gravity reading that's less than 1.1 usually indicates a dead batteryThe answer isC. 1.3.
When a battery is fully charged, the amount of sulfuric acid mixed with the water is sufficient to give a specific gravity of about 1.3. The answer is C. I found this on Page 78 of the Mechanics Study Unit of Physical Science (Penn Foster). One of the uses of a hydrometer is to measure the condition of electrolyte solution in a storage battery of the type used in a car. When a battery is fully charged, the amount of sulfuric gravity of about 1.3.
250v On an automotive battery it is 2.2V
A fully charged 12 volt automotive battery should have 12.68 volts.
An auto motive can be recharged by connecting the dead battery to another vehicle with a charged battery by the use of a jumper cable by connecting both end to both batteries then starting the car with the charged battery inside.
1.265
There are two measures, cell voltage and specific gravity of the electrolyte. Cell voltage is the simplest to measure. For most automotive, flooded cell (having liquid electrolyte) batteries, 12.6 volts is considered full charge, although it is typical to have 13 volts or a bit over. The specific gravity of a fully charged battery, measured with a hydrometer, is 1.265.
Outgas produced while Charging or Discharging an Automotive BatteryThe gas produced by a lead-acid automotive battery is Hydrogen [H2]. Under unusual circumstances, sometimes there also may be some Hydrogensulphide [H2S] gas.
The difference between a 2amp, a 4amp and a 6amp battery charger is the speed at which the battery will be charged. The numbers represent the maximum amperage output at a specific voltage at which the battery will be charged.
It's extremely explosive and is also dangerous to breath. The sulfuric acid in the battery will be trapped in the fumes as droplets. This is very hazardous to your health. It is also known as Hydrogen Sulfate.
if its a car battery try to start a car off it. if that works ensure electrolytes are topped up (30 % sulfuric acid) and that your specific gravity is correct. use a hydrometer to check before adding. if it fails to start fully charged its probably rubbish. you can always try tipping out electrolyte. rinse battery with hot water to remove sulfate crystals (if present) and replace eletrolyte and charge.