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Risk assessment required - equipment
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Exit Quiz
Question 1 of 6
1
of 6
Which of the following things need to be done to electrostatically charge a plastic ruler?
Select one answer
connect it to a 9 V battery with a wire
connect it to 230 V mains electricity
rub it with aluminium foil
rub it with a cloth
You may have had a static shock from you clothes, when you take them off.
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