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Crank flashlights are very handy devices that are particularly useful in a pinch. No need to worry about charging the flashlight or ensuring it has fresh batteries, the crank flashlight is a great last resort and will always light up your campsite when you need it.
The crank flashlight contains a small generator much like the ones that are used to provide electricity around the country. The difference is that the flashlight's generator, also called a dynamo, is powered by manual cranking of the arm.
The principal behind the generator is that of induction. When you move a coil of wire through a magnetic field, a voltage is induced into the wire, which then creates electrical current that flows through the circuit. Inside your crank-powered flashlight is a wire coil that is inside a magnetic field. When you crank the arm of the flashlight, you are actually moving this coil in the magnetic field. As the coil moves, voltage is induced and current then flows through the circuitry and lights the bulb of the flashlight.
You've probably noticed that you can crank your flashlight for a few minutes and then get a reliable light source for a while afterward without actively cranking. This is because the crank flashlight has rechargeable battery cells inside that store the energy that you've created from cranking. In this way you don't have to actively crank to use the flashlight, but can crank and then have the flashlight operate on batteries.
Read more: How Does a Crank Flashlight Work? | eHow.com http://www.ehow.com/how-does_4911443_crank-flashlight-work.html#ixzz1Xz4cG0fe
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How does a wind-up torch work?
no
How does the wind up torch work?
A wind-up torch typically works by converting mechanical energy from winding a crank into electrical energy that powers the light. This energy is stored in a rechargeable battery within the torch. When the torch is wound up, the mechanical energy is transferred to the battery, which then powers the light emitting diodes (LEDs) to produce light.
Is battry life is less if torch light passing through water?
The medium through which the emitted light of a torch passes will not affect the battery life of the torch. The battery life of the torch will be the same if you are shining it through air, glass, water, or anything else.
Is a torch connected in series or parallel?
A torch typically has its battery connected in series with the light bulb, creating a simple circuit. This means the electrical current flows from the battery through the bulb and back to the battery in a continuous loop, allowing the light to work.
How does the battery in a torch work?
A torch, or flashlight, typically uses a battery to power the lightbulb. When the battery is inserted into the torch, it completes a circuit allowing the current to flow from the battery to the lightbulb, which then emits light. The chemicals inside the battery convert chemical energy into electrical energy, powering the lightbulb.
What are rechargeable torches made of?
A rechargeable torch is simply a rechargeable flashlight that can be plugged in and charged. This product contains a light bulb and internal battery.
How does a wind-up torch work?
no
How does the wind up torch work?
A wind-up torch typically works by converting mechanical energy from winding a crank into electrical energy that powers the light. This energy is stored in a rechargeable battery within the torch. When the torch is wound up, the mechanical energy is transferred to the battery, which then powers the light emitting diodes (LEDs) to produce light.
Why doesn't your torch work?
my torch does work though...
How does a torch switch work?
It provides the light in the torch
What is the energy chain for a rechargeable wind up torch?
aha you guys got no clue lol youll never find this answer or at least get it from mwa
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A rechargeable battery makes it work.
How transistor work in wireless rechargeable?
i need the answer for this question
What is inside an LED torch?
The electronic equipment that provides a good focus and beam with optimum luminous intensity can be referred to as Ledtorches.com.au. I purchased the SSR50 rechargeable torch from LED Torches recently.It delivers 1000 lumens intensity with a high beam.
What batteries do you use for solar lights?
It can be rechargeable or regular but it won't work on some solar lights if your solar light don't work put a new battery in it if it still don't work put a rechargeable battery in it then it will work.
Can you use rechargeable batteries with all electronics?
A rechargeable AA battery will work in any device that needs AA batteries.Same with AAA's
Will the regular rechargeable batteries work with a guitarhero guitar?
Probably.
