Daily Practice · GCSE Science
Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
- 1Efficiency, Power and Energy Resources
State one way to increase the efficiency of a motor.
- 2Electricity
A component has a current of 5.0 A and a resistance of 8.0 ohm. Calculate the power dissipated using P = I^2 x R.
- 3Circuits, Resistance and Components
Describe the current-potential difference graph for a filament lamp.
- 4Mains Electricity, Power and Energy
Calculate the current drawn by a 1150 W kettle on a 230 V supply.
- 5Particle Model of Matter
A block has a volume of 50 cm^3 and a mass of 135 g. Calculate its density.
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