1. What does each strip on a resistor tell you? Label each ring on the diagram below:

Name: Date:

2. Explain in your own words what a resistor does

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4. Suggest two uses for a variable resistor .i)________________________________Ii)________________________________

3. Why do some circuits need resistors?

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6. Draw the circuit diagram symbols for a variable resistor and a fixed resistor.

Fixed Resistor

Variable Resistor

7. What does a capacitor do?

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6. How is a fixed resistor different to a variable resistor?

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8. How are non-polarised and electrolytic capacitors different?

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9. Make a list of what else you know about capacitors, you will need to add to this during the lesson if you learn anything new:

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Metal plateNon

conductive material

legs

The battery gives some current to the capacitor which the capacitor then gives to the light bulb, once its full up.