Electricity Flashcards

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1
Q

Static electricity

A

is a build up of electric
charge that can occur on good insulators e.g.
polythene and perspex rods

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2
Q

Polythene rod

A

A polythene rod gains electrons if a woollen
cloth is rubbed on it (becomes negatively
charged)

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3
Q

Perspex rod

A

A perspex rod loses electrons if it is rubbed by
a woollen cloth (becomes positively charged)

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4
Q

Electric current

A

An electric current is caused by the flow of
electrons through a good conductor such
as a meta

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5
Q

Conductors

A

Conductors are substances which allow
electric current to flow through them fre

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6
Q

Insulators

A

Insulators are substances which do not
allow electric current to flow through them

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