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Physics · May / June 2021 · Paper 22 · Question 8

5054

As printed in the paper

The question as text

Fig. 8.1 shows a potential divider circuit containing two resistors R1 and R2. input voltage 6.0 V output voltage R1 R2 Fig. 8.1

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme
  • 8(a)[3]

  • 8(either)(b)(i)[1]

    correct symbol with arrows towards resistor

  • 8(either)(b)(ii)[1]

    resistance decreases and output voltage increases

  • 8(either)(b)(iii)[1]

    thermistor

  • 8(or)(b)(i)[1]

    correct symbol

  • 8(or)(b)(ii)[2]

    two (stable) states switches (between states) by an applied signal or exhibits memory

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