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10.2 Resistance

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Question 28

Calculate the resistance of a negative temperature coefficient (NTC) thermistor in a greenhouse climate control system when the potential difference across it is 7.2 V and the current is 16 mA.

Use the equation:

R=VI R = \frac{V}{I} R=IV​
[2]
Markscheme

10.2 Resistance Questions

  1. GCSE
  2. /Physics
  3. /10.2 Resistance

59 exam-style questions on Edexcel GCSE Physics 10.2 Resistance, covering 10.2.1 Current in a circuit and conservation at junctions, 10.2.2 Resistance and variable resistors, 10.2.3 Series and parallel resistance, 10.2.4 I–V characteristics of components, and 10.2.5 LDRs and thermistors. Each one has a worked solution and a mark scheme showing where the marks go.

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