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4.2.1a Positive and negative charge

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Question 88

A flexible utility power cord contains an inner conductor surrounded by an outer insulating sheath.

Which pair of materials is suitable for making this flexible cord?

A

Inner conductor: rubber; Outer insulating sheath: copper

B

Inner conductor: aluminium; Outer insulating sheath: rubber

C

Inner conductor: aluminium; Outer insulating sheath: iron

D

Inner conductor: glass; Outer insulating sheath: plastic

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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