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In order to connect 4-6 volt batteries and end up with 12volts you will need to understand parallel and series connections. to connect two batteries in parallel you would connect the positive side of one battery to the positive side of the other battery; and the negative side of one battery to the negative of the other battery. doing this will not change the voltage. to connect in series you connect the positive of one battery to the negative of the other battery. doing this will increase the voltage;in this example you will end up with 12v. 6+6=12. when you stack batteries in a 2-cell flashlight that is connecting the batteries in series. The answer to the question is: connect two batteries in series; then connect the other two batteries in series. after this is done connect the two pairs of batteries in parallel. If you think of it visually you would have two batteries wide and two batteries tall.
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ReneAssume that the two batteries are identical; connect the positive of the first battery to the negative of the second battery.
The voltage output from the negative of the first to the positive of the second battery will read 12 volts.
Such a connection of two batteries is called "wired in series".
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What will be the output voltage of two 12v batteries connected in parallel?
When two identical 3v batteries are connected in series with the negative terminal of one of them in contact with the positive terminal of the other the total voltage of the combination is 6v.
When a three light circuit is connected in series with 2 6V batteries what is the voltage across each of the lights?
If a three light circuit is connected in series with two 6V batteries, and the three lights are identical, the voltage across each of the lights is 12V divided by 3, or 4V.
Will changing the battery from 6v to 12 v affect gas gauge reading?
If it is in your car then no, why do you have a 6v battery in your car in the first place it should be a 12v.
What is the total voltage if a 12v battery 6v battery and 2.5v battery are connected in parallel?
There is no answer to this question. It could be anywhere between 2.5V and 12V. If you connected them in series the answer would be 20.5V, in parallel the higher voltage battery will discharge into the lower rated cells, the resultant voltage is dependent upon the internal resistance of each of the batteries. In practice you wouldn't do this, so it's either a mistake or trick question. www.powerinspired.co.uk
Which circuit would have the brightest light?
If you connect bulbs in parallel across a given voltage supply (eg household mains supply) then they will all draw their rated current and will glow at their rated brightness. If you connect the same bulbs in series then they will glow very much less brightly. This is because the resistance of a bulb's element is also related to the power dissipated in the element. A bulb's element is rated for operation at a particular voltage. You can certainly connect two 6v motorcycle bulbs in series, and connect them to a car battery at 12v, and the two bulbs will be just as bright as they were when individually operated from the motorcycle 6v batttery. However if you connect two 6v bulbs in parallel and then wire them to a 12v car battery they will only glow brighter for a fraction of a second and then ... pop. You will have overheated the elements beyond their designed power handling capability.
