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Cambridge IGCSE Physics practice

What happens to the resistance of a metallic conductor if its length is doubled?

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MCQ

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cambridge_mcq

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Resistance

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What happens to the resistance of a metallic conductor if its length is doubled?.

  1. A.It halves
  2. B.It doubles
  3. C.It remains the same
  4. D.It quadruples

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Paper 4 structured question: Resistance

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Description

Resistance in Conductors

A metallic conductor has a length of 2 meters and a cross-sectional area of 1 mm². If the length is increased to 4 meters while keeping the area constant, what will happen to the resistance?

  1. a

    State the effect on resistance when the length is increased to 4 meters.

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