GCSE Science/Uses of Static electricity answers

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Q1 The white areas are left neutral.

Q2 When the electrons absorb the light, they get a little bit of extra energy. It is this increase in energy that allows them to escape to earth.

Q3 The toner is given a negative charge so that it is attracted to the positively charged plate.

Q4 The paper attracts the toner because it is positively charged. Note that the charge on the paper is stronger than the charge on the plate, so although the toner is still attracted to the plate, it is attracted to the paper even more.

Q5 negative

Q6 less paint falls on the floor becaue more is being attracted to the car. Remember: Unlike charges attract.

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