Daily Practice

GCSE Science

15th November 1992

5 questions · GCSE · 584 questions in this band

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
Circuits, Resistance and Components
How does the resistance of a thermistor change as it gets hotter?
3
Mains Electricity, Power and Energy
Give the equation linking energy transferred, charge flow and potential difference.
4
Particle Model of Matter
State the correct SI unit for density.
5
Density and the Particle Model of Matter
Why does the temperature stay constant while a substance boils?

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