Daily Practice

GCSE Science

2nd October 1991

5 questions · GCSE · 584 questions in this band

1
Electricity
Two resistors are connected in parallel across a 12 V battery. State the potential difference across each resistor.
2
Circuits, Resistance and Components
Describe the current-potential difference graph for a filament lamp.
3
Mains Electricity, Power and Energy
Calculate the current drawn by a 1150 W kettle on a 230 V supply.
4
Particle Model of Matter
Calculate the energy needed to melt 0.50 kg of a substance with a specific latent heat of fusion of 210000 J/kg.
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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