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Q: How do you change batteries in a light up hat?
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Will the bulb still light up if it is arranged in series and one of the batteries is flat?

it will still light up


What a batteries job is?

The job of a battery is to power the torch. if the circuit is not complete then the bulb wont light up and if the batteries arent the right way round the bulb wont light up either.


Do light up air force ones have batteries?

yeah obviously


What kind of item would be considered an electrical semiconductor?

Batteries that charge up if sun light hits them. Also, reusable batteries, that you charge up when their power is gone.


If you wired up the circuit with a bulb two batteries and a switch with a thin wire what will happen?

the bulb will light up


How do you find out if the batteries in you keb fob are low Merck C180?

Press the button to unlock the car for approx 15 seconds. If a little red light does'n light up on the fob the batteries are low.


Can a Nerf lumitron shoot without batteries?

Yes, the Nerf Vortex Lumitron can fire without batteries. The batteries are only used with the magazine to light up the discs as they are fired, so batteries aren't a necessary thing to fire the blaster.


Does a bulb light up if you use batteries with different sizes?

If you are talking about batteries of different physical sizes but of the same voltage then the answer is yes. The light bulb requires a specific voltage to operate. As long as the batteries add up to the voltage that the bulb requires, the lamp will light properly. Larger batteries usually have a greater operational capacity. The load being of equal amperage draw, the D cell load will operate longer than a AAA cell load.


Your Ti-83 plus calculator not powering up?

change the batteries! There are two types of batteries in the ti83 calculator -- ordenary AAA batteries and one flat one. Buy new ones and change ... or else be more specific when asking. Yenn, DK


Does the Nerf N-strike firefly rev-8 works without batteries?

No, you can still shoot it. The only thing you need batteries for is to make the revolving barrel light up.


How many batteries can light up bulbs?

This question cannot be answered without knowing at least the voltage of the light bulbs and also the voltage of the battery that is being asked about.


What energy transformation's in a solar powered calculator?

The energy transformation that is in a solar powered calculator is:Device: Solar-powered calculatorInput:Solar energy and Chemical energyOutput: LightThere is 2 ways a Solar-powered calculator is worked by: Solar power and batteries. In the batteries there is chemical. On the solar powered calculator there is a little solar panel. The calculator needs light to power it up. If there is no light the batteries would be it's backup. The numbers are shown by light that the power or batteries and solar power would produce.