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4.2.4a Resistance

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Question 28

Four wires are made of the same metal.

Which wire has the least electrical resistance?

A

a 200 cm200\text{ cm}200 cm long wire with a diameter of 2.0 mm2.0\text{ mm}2.0 mm

B

a 200 cm200\text{ cm}200 cm long wire with a diameter of 4.0 mm4.0\text{ mm}4.0 mm

C

a 50 cm50\text{ cm}50 cm long wire with a diameter of 2.0 mm2.0\text{ mm}2.0 mm

D

a 50 cm50\text{ cm}50 cm long wire with a diameter of 4.0 mm4.0\text{ mm}4.0 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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