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In a torch (flashlight), the current passes from the positive terminal, through the bulb, and returns back in the negative terminals, making a complete circuit. When the switch is moved to the on position, a metal piece inside the case touches the positive terminals of the battery, the circuit is completed, and the torch turns on. Move the switch to the off position, the metal piece no longer touches the positive terminals of the battery, and the torch turns off.
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Who invented the dynamo torch?
The dynamo torch was invented by Ming-Chih Wei. The dynamo torch is a flashlight that stores energy in a flywheel.
What is the job of a wire in a torch?
To conduct the flow of electrons/electricity from the battery to the bulb and back.
Is electrical energy in a torch?
Yes, the chemical energy from the battery is converted into electrical energy.
Which is more powerful a torch bulb or a mains filament lamp?
Mains filament
What are the limitations of a moddel torch circuit compared to the real actual circuit?
the answer is 3 hours for the limitation as the chemicals in the batteries produce a current of electricity
