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Physics · Oct / Nov 2021 · Paper 42 · Question 5

0625

As printed in the paper

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  • 5(a)[3]

    wires of 2 different metals

    one junction clearly in each liquid

    voltmeter / ammeter / galvanometer correctly connected

  • 5(b)[2]

    any two from

    expansion of liquid
    expansion of solid
    expansion of gas
    density (of liquid)
    (electrical) resistance

  • 5(c)[2]

    any two from

    large range
    (measure) high temperatures
    remote sensing
    small size OR small mass
    small thermal capacity
    suitable for data logging
    responds quickly OR measures rapidly varying temperatures OR temperature changing continuously
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