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4.2.1a Positive and negative charge

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Question 122

A student wants to demonstrate the charging of materials by friction. They hold a rod in their hand and rub it with a piece of woolen cloth.

The following rods are available:

  • an aluminum rod
  • an iron rod
  • a polythene rod
  • a perspex rod

Which two rods would both be suitable to successfully demonstrate the retention of electrostatic charge on the rod?

A

an aluminum rod and a polythene rod

B

a polythene rod and a perspex rod

C

a perspex rod and an iron rod

D

an iron rod and an aluminum rod

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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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