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A bad connection or heavy draw.

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Q: What causes the negative terminal on a battery to heat up?
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Are there protrons netrons and electrons inside a battery?

There are protons, neutrons, and electrons inside everything that you can touch. If you provide a path for them outside the battery, electrons will flow from the battery's negative terminal to the positive one, and supply some energy on the way that you can use to run things or heat things with.


How does electricity flow around a series circuit?

Imagine a series circuit consisting of a battery, a wire from its negative terminal to a lamp, and another wire from its positive terminal to the lamp. The electricity would flow from the battery's negative terminal to the lamp and then back to the positive terminal of the battery: it's always negative to positive. Scientists were not aware of this until long after electricity discovered. They thought electricity flows from positive to negative and this was accepted for a long time. When someone asks you to use conventional current, it means assume the current flows from positive to negative, which is the opposite of what happens in reality. The negative terminal (the technical name for this is cathode) of an electrical energy supply, such as a battery, releases electrons with energy in them. These electrons drift to the appliance (i.e. the lamp in this case). The lamp then uses the energy in the electrons to produce light and heat before letting the electrons out on the other side. These electrons have little or no energy but they would drift back to the battery to regain energy and the cycle continues until the battery is depleted of energy. The electrons leave the lamp at the speed at which they enter the lamp.


How do you get twelve volts with two twelve volt batteries?

Voltage Options using Two 12 Volt BatteriesEach 12 volt battery HAS 12 volts in a stand-alone configuration.If you want to "get" 12 volts and yet use both 12 volt batteries, then you hook them up in a "parallel" fashion.Parallel connection means that a cable is used to connect the positive [+] terminal of one battery to the positive terminal of a second battery. And another cable is used to connect the negative [-] terminal of first battery to the negative terminal of the second battery. This configuration provides the same 12 volts, but allows greater current [Amps] to be available.Another configuration ["series" connection] will create a 24 volt battery from the two 12 volt batteries.Series connection involves the use of only one cable to connect the positive terminal of one battery to the negative terminal of the second battery.NOTE: it is CRITICAL that you NEVER connect a cable or wire between the positive and negative terminals of the same battery, or series of batteries. IF this happens, a condition called a 'short circuit" occurs, and WILL result in gigantic sparks [arcing], much heat, and the very distinct possibility that the the battery will explode in your face!!!!!


What Causes Battery to Boil?

Heat and/or short in the weiring .


What causes a AAA battery to over heat?

why do aaa batteries overheat


What does heat cause atoms to do?

it causes the atoms to lose their negative electrons


How do you Change battery for 2003 Mercury Mountaineer?

Disconnect the negative battery cable and then remove the positive cableRemove the battery heat shieldRemove the battery hold-down clamp boltLift out battery


Will a wrench touching a negative battery post spark?

A wrench touching ONLY the negative battery post/terminal will not produce a spark. For the battery to short circuit and generate a spark, something must act as a bridge between the two pots/terminals. If the wrench in question were to touch both terminals, or to touch the positive terminal and a ground (typically the chassis of the vehicle) you will see a spark because the metal body of the wrench would create a path for the electricity to travel. Intentionally creating sparks in this manner is highly UNRECOMMENDED as it will quickly drain the battery and also generate large amounts of heat. I severely burned my hand last year by touching the negative battery terminal when my starter motor died. The inside of the motor had created a short circuit which caused the rubber covering to melt off of the involved wires in just a short time. Luckily I was able to remove the terminal and end the short. The burn I sustained was small in comparison to the amount of damage the battery and vehicle could have taken from it.


When a battery has two positive and two negative terminals is it ok to connect one battery to a second battery using the second terminal?

the two terminals both conect to the electrode of the battery,so, you can conect two batteries with the two "terminals" for parallel circuit or series circuit. Rocky_B - Yes you can do this to give yourself some extra amps, but connect the negative to the negative of the other battery and the positive to the positive of the other battery - This is what previous poster meant by parallel. Warning: If this is for an automobile electrical system, you do not want to connect it in series; i.e. Positive to solenoid, negative to positive of other battery, negative of other battery to ground, as it would be supplying over 24volts to a 12volt system and may seriously mess up your electrical system or cause wire insulation to heat up, melt, and cause fires.


Can you make a salt water battery?

Positive hydrogen ions will move to the negative terminal of the battery, and negative oxygen ions will move to the positive terminal. If the terminals are iron, the oxygen and iron atoms will react to create Iron(III) Oxide (Ferral Oxide), or rust. The stronger the battery, the faster the positive terminal will rust. If the terminals are anything other than iron, the hydrogen and oxygen atoms will simply separate, causing the water to bubble.


What causes car battery to die?

#1 cause Heat, #2 Heat, #3 Heat, #4 Sulfation usually caused by electrolyte loss because of heat.


How does a battery used in a torch work?

Batteries are inserted negative to positive and the battery contains electricity which produces heat and light therefore making the battery makes the torch work