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OCR Gateway B Module P6: Electricity for Gadgets


Circuit symbols:


Resistance and current:

Ohmic and non-ohmic devices:


Potential divider circuits:

Resistors in parallel:

LDRs and thermistors:


Transistors:

Logic gates:


More on logic gates:


Magnetic fields:

Fleming's left hand rule:

Motors:


The dynamo effect:

Generators:

Electricity:


Transformers:

Reducing transmission loss:


Diodes:

Rectification:

Capacitors:


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