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1 markTransducers

CAPE Physics Unit 2 · 2007 · Paper 2 · Question 2(b)(i)

Use your graph to determine the resistance of the thermistor at 75 °C.

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Other parts of this question

  1. 2(a)Plot a graph of resistance R against temperature θ on the grid provided.[4 marks]
  2. 2(b)(ii)State, with reasons, whether the LED will be ON or OFF when the temperature of the thermistor is 75 °C.[3 marks]
  3. 2(b)(iii)Determine the temperature at which the LED turns on as the temperature is increased from 40 °C.[2 marks]

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