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Connect 4 in series.

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Q: How can you make a 6V battery from 1.5V cells?
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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.


What resistance is required to run a 6V 75A light with a 12V 2.5A battery?

You can't run a 6V 75A (450W) light off a 12V 2.5A (30W) battery for any significant length of time. That battery is grossly undersized. I think that's supposed to be "0.75A" instead of "75A." I found a 75-watt light bulb on the internet, but 75 amps? You could weld with that much power. And I like the answer right below this one best: just wire two of these bulbs in series. The answer is simple by using the formular called OHM's LAW (V=IxR) The 6V,3/4 amp bulb has (approx) 8 ohms resistance which 'drops' the 6 volts across it. At the same current (thru the SERIES circuit) you need anothe 8 ohm resistance. Unfortunately, the bulb dissipates 4.5 WATTS of power, the same as your 'extra' resistor will have to handle. (Rather WARM!) The easiest trick to do would be to put two 6v bulbs together in series, this will put your 'extra' resistor (the second bulb's filament) inside of a protected glass shell. The second bulb will not waste any more power than the resistor, and will give you twice the light.


What is the PD across two resistors connected parallel to a battery of emf 6V?

The potential difference across two resistors connected in parallel to a battery with a potential difference of 6 volts is 6 volts. Kirchoff's Voltage Law: The signed sum of the voltage drops in a series circuit is zero. This means that that the two series circuits involving the battery and each resistor have the same voltage across each other, and the series circuit involving the two resistors have the same voltage across each other.

Related questions

What will happen when a 15v current flows through a 6V bulb?

It will glow VERY BRIGHTLY for a few seconds - and then burn out.


Can I use a battery charger that is rated at 6V DC 1000 mA to replace one that was 6V DC 100mA or will this damage the battery?

No you should not do that. It will damage the battery and the battery will explode.


Is the 55b24l s battery a 12V or 6V?

The battery is a 12V car battery.


Will two 6v batteries make your sons ride on work faster than one 6v battery?

If the machine is designed to run on 6v and you use two 6v batteries instead of one, then . . . -- If you connect the two batteries in parallel, then they will last twice as long between recharges as one battery does. -- If you connect the batteries in series, then they will definitely overheat the motor, and possibly destroy it.


What resistor is needed for a 6v dc motor with a 4.5v battery?

A 6v motor might not run at all on a 4.5v battery. Whether or not it does, it's likely to discharge the battery rather rapidly. A series resistor will help the battery last longer, but will make it even less likely that the motor will run at all. You're better off taking some time to find either a 4.5v motor or a 6v battery.


What is the largest battery?

The largest battery in size is a 6V or 6 Volt.


Is the 2cr5 6v lithium camera battery rechargeable?

No, it is a disposable battery.


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.


Can you power led lights off a 6v battery?

Yes, most leds will run on a 6v battery. Just look at the required voltage and make sure you don't exceed the maximum voltage. If the voltage is to high, find the correct resistor.


How you charge 5v battery with 6v generator?

You don't.


Can I turn a 9V battery output to 6V 100mA?

No! You need fewer cells for six volts. Most 9 volt batteries have six 1.5 volt cells, but a six volt battery has four 1.5 volt cells. In theory you could open the battery up and install a tap at the fourth cell, but that is pretty hard to do.


What voltage is a lawn tractor battery?

Usually 6v, can be 12v.