Mon Prof Augmenté
Inside a Torch
Age 11 · Daily Life
A torch has a battery, a switch and a bulb joined by a wire. When the switch is closed, electric current flows around the loop and the bulb lights up.
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Age 11: open this week
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In the picture
- Battery: stores energy and pushes electric current around the loop.
- Switch: opens or closes the loop so current can flow or stop.
- Bulb: glows when electric current passes through it.
- Wire: carries electric current around the single loop.
Examples
- A torch that lights when you press its button.
- A bicycle lamp that shines when its switch is turned on.
Key takeaways
- A switch controls whether the loop is complete.
- The bulb lights only when electric current can travel all the way around the loop.
Quiz: Inside a Torch (Age 11)
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What does the switch do in a torch circuit?
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When does the bulb light up in a torch?
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What is the job of the battery in a torch?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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