Code: 02924764
What happens when you switch a lightswitch? Or the power button on the TV? Electricity flows to the device and it switches on. Most of us use electrical gadgets all day, every day, without thinking about it. But where does electri ... more
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What happens when you switch a lightswitch? Or the power button on the TV? Electricity flows to the device and it switches on. Most of us use electrical gadgets all day, every day, without thinking about it. But where does electricity come from?
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