Electricity - Making an electrical circuit

4 important questions on Electricity - Making an electrical circuit

How do you know when you have a solid/good current?

You know when the ammeter shows on the display a higher number. The current shows how many particles pass at any given point in the circuit per second. The more particles pass per second, the greater the current.

When you have a closed circuit, is the ampere the same, less, or more when you measure it on a different place in the circuit.

It the same along the entire circuit.

What is the difference with a normal current and a LED?

A LED lets the current pass from one side and then it produces light.
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What is LED and what does is stands for?

LED stands for Light-emitting diode. LED is the name of a small electronic component that actually produces the light.

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