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Additional Physics Edexcel

Topic 1

Static electricity:

Atoms have a positively charged nucleus and negatively charges electrons around it. This gives the atom an
overall neutral charge as there is the exact same number of protons and electrons.

Objects can be either positively or negatively charged or neutral.

When an…

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5. A charged comb can pick up small pieces of paper as electrons are transferred to the comb as it goes
through the hair leaving a negative charge on the comb. The reason why it picks up paper even though they
have no charge is because of induction in the…

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Charge and current

An electrical current is the rate of flow of charge.

The charge is carried by electrons and they are able to move around therefore making metals good

In a circuit, in order for an electrical current to flow it needs:

1. A complete circuit
2. Something…


Nosheen Hussain


Thank you so much!

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