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4.3.3 Action and use of circuit components

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Question 49

A source of constant electromotive force (e.m.f.) is connected across a thermistor with a negative temperature coefficient (NTC).

There is an electric current in the thermistor.

The temperature of the thermistor is increased.

Which row shows what happens to the resistance of the thermistor and what happens to the current?

A

Resistance decreases, current decreases

B

Resistance decreases, current increases

C

Resistance increases, current decreases

D

Resistance increases, current increases

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4.3.3 Action and use of circuit components Questions

  1. IGCSE
  2. /Physics
  3. /4.3.3 Action and use of circuit components

67 exam-style questions on CIE IGCSE Physics 4.3.3 Action and use of circuit components. Each one has a worked solution and a mark scheme showing where the marks go.

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