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4.2.4a Resistance

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Question 43

A metallic wire X X\,X has a resistance. What is the difference in resistance for a wire of the same material as X X\,X that is:

  • longer than X X\,X but has the same diameter?
  • the same length as X X\,X but has a larger diameter?
A

Resistance of longer wire: Greater | Resistance of wire with larger diameter: Greater

B

Resistance of longer wire: Greater | Resistance of wire with larger diameter: Smaller

C

Resistance of longer wire: Smaller | Resistance of wire with larger diameter: Greater

D

Resistance of longer wire: Smaller | Resistance of wire with larger diameter: Smaller

Markscheme

4.2.4a Resistance Questions

  1. IGCSE
  2. /Physics
  3. /4.2.4a Resistance

132 exam-style questions on CIE IGCSE Physics 4.2.4a Resistance. Each one has a worked solution and a mark scheme showing where the marks go.

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