The batteries can be connected in parallel or in series. In parallel, good batteries of the same voltage will have a total voltage across them equal to the voltage across one of them. Those batteries in series will have a total voltage equal to the sum of the voltage of each of the batteries.
Batteries in parallel maintain constant voltage across the load rather in a series, so it is better to arrange the batteries in parallel Batteries in series deliver a higher voltage, batteries in parallel have longer life use.
depends on the voltage of the batteries.. four 12 volt car batteries would output 4x12 = 48 v
Batteries provide a voltage difference.
Batteries provide a voltage difference.
The voltage remains the same.
Assuming all of the individual batteries are the same voltage, if arranged in a parallel circuit the voltage is the same as any one battery. If arranged in a series circuit the voltage will be the sum (the total) of all of the batteries added together.
That depends on what voltage your batteries are,
Voltage is how much power the batteries have. I think....
Batteries produce DC because the potential difference is determined by the chemical reaction inside the battery. This voltage is constant.
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Putting batteries in series will up the voltage of the entire circuit. Certain things need higher voltage, so you put your batteries in series. Putting batteries in parallel will not up the voltage, but will let the current last longer. Watches would be more of an example for that. You want watch batteries to last long.