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4.2.1a Positive and negative charge

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Question 13

A student rubs a plastic rod with a dry cloth, giving the rod a negative electrical charge. When this charged rod is brought near a lightweight sphere suspended from an insulating thread, the sphere is attracted towards the rod. What can be concluded about the electric charge on the sphere?

A

The sphere must have a positive charge (q>0q > 0q>0).

B

The sphere must be neutral (q=0q = 0q=0).

C

The sphere is either positively charged or neutral (q≥0q \ge 0q≥0).

D

The sphere is either negatively charged or neutral (q≤0q \le 0q≤0).

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4.2.1a Positive and negative charge Questions

  1. IGCSE
  2. /Physics
  3. /4.2.1a Positive and negative charge

145 exam-style questions on CIE IGCSE Physics 4.2.1a Positive and negative charge. Each one has a worked solution and a mark scheme showing where the marks go.

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