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4.2.1a Positive and negative charge

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Question 121

A student holds a rod in their hand and rubs it with a cloth. After rubbing, the rod gains a negative charge.

Which row in the table correctly identifies a possible material for the rod and the charge transfer that occurred?

Material of rodTransfer of chargeAmetalnegative charge from cloth to rodBplasticnegative charge from cloth to rodCmetalpositive charge from rod to clothDplasticpositive charge from rod to cloth \begin{array}{|c|c|l|} \hline & \text{Material of rod} & \text{Transfer of charge} \\ \hline \text{A} & \text{metal} & \text{negative charge from cloth to rod} \\ \hline \text{B} & \text{plastic} & \text{negative charge from cloth to rod} \\ \hline \text{C} & \text{metal} & \text{positive charge from rod to cloth} \\ \hline \text{D} & \text{plastic} & \text{positive charge from rod to cloth} \\ \hline \end{array} ABCD​Material of rodmetalplasticmetalplastic​Transfer of chargenegative charge from cloth to rodnegative charge from cloth to rodpositive charge from rod to clothpositive charge from rod to cloth​​
A

Metal; negative charge from cloth to rod

B

Plastic; negative charge from cloth to rod

C

Metal; positive charge from rod to cloth

D

Plastic; positive charge from rod to cloth

Markscheme

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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