Daily Practice · GCSE Science

Daily Practice - GCSE Science

3rd October 1998

5 questions · GCSE · 584 questions in this band

1
Energy Stores, Transfers and Calculations
What happens to the energy described as 'wasted' in a transfer?
2
Efficiency, Power and Energy Resources
Define power and give its unit.
3
Electricity
Two resistors are connected in parallel across a 12 V battery. State the potential difference across each resistor.
4
Circuits, Resistance and Components
Define electric current.
5
Mains Electricity, Power and Energy
Why does the national grid transmit electricity at a very high potential difference?

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