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Because batteries only offer DC (direct current) which only flows one way

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Q: Why does a battery have a positive and negative ends?
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Related questions

How can you tell which is positive and which is negative on a battery?

Well the flat of the battery is the negative side.


What is the differans between a positive and a negative side on a battery?

positive, sends out electrons, is live, Negative, grounds it (where the current ends up)


What do you put between a positive and negative ends of a battery to make it do useful work?

something hoe


When charging a battery is is negative to positive or negative to negative?

positive to positive


How is the battery trminals hook up positive to positive or negative to positive?

Positive to positive, negative to negative if you are asking about installing one battery in a vehicle.


What would happen if there was only positive electrodes in a circuit?

Nothing. The reason a circuit works is that there is an imbalance between the positive and negative (cathode and anode) ends of the battery. two positive ends wouldn't move anything.


Is battery flow from Positive to negative or negative to positive?

negative to positive,electrons to protons


What happens when you inadvertanly crossed the positive battery terminal from a negative to a positive and a positive to a negative.?

What happens when you inadvertently crossed the positive battery terminal from a negative to a positive and a positive to a negative.?Read more: What_happens_when_you_inadvertanly_crossed_the_positive_battery_terminal_from_a_negative_to_a_positive_and_a_positive_to_a_negative.


How do you charge the battery on a 2001 dodge stratus se?

Connect a battery charger to battery positive to positive negative to negative


Does the positive end of a battery go to the positive or negative end of the terminal?

The positive end of a battery goes to the positive end of the terminal. In retro spec, the negative end of a battery goes to the negative end of the terminal.


Is red positive or negative on a battery?

red is positive on a negative ground system


What is a positive terminal on a battery?

There are 2 battery terminals. A positive or hot and a negative or ground. The positive is slightly larger than the negative.