Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
- 1Energy Stores, Transfers and Calculations
Define specific heat capacity.
- 2Efficiency, Power and Energy Resources
A lamp is supplied with 60 J and transfers 6 J as light. Calculate its efficiency as a percentage.
- 3Electricity
In a series circuit, the current through one lamp is 0.30 A. State the current through a second lamp in the same circuit.
- 4Circuits, Resistance and Components
In a parallel circuit, how do the branch currents relate to the total current?
- 5Mains Electricity, Power and Energy
State the potential difference and frequency of the UK mains supply.
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