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4.2.4a Resistance

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Question 23

A piece of wire is 60 cm long and has a diameter of 3.0 mm.

Its resistance is 0.80 Ω.

Which wire of the same material has a resistance of 1.60 Ω?

A

Length: 30 cm30\text{ cm}30 cm, diameter: 6.0 mm6.0\text{ mm}6.0 mm

B

Length: 120 cm120\text{ cm}120 cm, diameter: 1.5 mm1.5\text{ mm}1.5 mm

C

Length: 30 cm30\text{ cm}30 cm, diameter: 1.5 mm1.5\text{ mm}1.5 mm

D

Length: 120 cm120\text{ cm}120 cm, diameter: 6.0 mm6.0\text{ mm}6.0 mm

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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