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2 Electricity

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Question 69
F

A student rubs an acetate rod with a dry cloth. The student says that rubbing has made new positive charge on the rod. Why is the student wrong?

[1]
A

Rubbing removes positive charge from the surface of the rod

B

Rubbing can only ever make new negative charge on the rod

C

The rod was already positively charged before it was rubbed

D

Rubbing only moves electrons, so no new charge is created

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2 Electricity Questions

  1. GCSE
  2. /Physics
  3. /2 Electricity

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