Ohm's Law - understanding voltage, current and resistance

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pHET

pHETand resistance

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pHET

A simple pHET animation that allows you to see how Ohm's Law works

pHETand resistance

This simple animation allows you to see what affects the resistance of a substance

 

​2. Series and Parallel Circuits - an analogy (no maths)

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resources

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Using the analogy of a water slide, I help you understand the comparison of a simple circuit vs a series circuit vs a parallel circuit

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resources

 

​3. Series and Parallel Circuits - the maths

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pHET

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A look at the effects on current, voltage and resistance in parallel circuits containing ohmic resistors.

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pHET

Use this animation from pHET to set u your own circuits. A good way. to apply your skills to to determine the various values using the maths, and then use the ammeter and voltage tools to confirm your calculations

 

4. Power and energy in circuits, what is a kilowatt?

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Your electricity bill is in kilowatt hours (KWh), what does than mean? This video looks at energy in power in circuits and how they are measured.

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