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What is a circuit?

• A path in which electrons from a voltage or current source flow.

• The rate of flow of electric charge past a point or region.

What is a transformer?

• A region around a magnetic material or a moving electric charge within which the force of magnetism acts.

• Any device for converting mechanical energy into electrical energy by electromagnetic induction

• A device used to transfer electric energy from one circuit to another

What is an example of an input?

• Sound

• LED light

• Microcontroller

• Push button

How many electrons are there in the outer most shell of Silicon

• 5

• 4

• 3

• 8