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Daily Practice

GCSE Science

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7th March 1990

5 questions · GCSE · 584 questions in this band

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  1. 1
    Electricity

    A current of 2.0 A flows through a resistor for 30 s. Calculate the charge that flows. Use Q = I x t.

  2. 2
    Circuits, Resistance and Components

    Describe the current-potential difference graph for a filament lamp.

  3. 3
    Mains Electricity, Power and Energy

    Calculate the current drawn by a 1150 W kettle on a 230 V supply.

  4. 4
    Particle Model of Matter

    State the correct SI unit for density.

  5. 5
    Density and the Particle Model of Matter

    Why is the density of a gas much lower than that of the same substance as a liquid?

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