Daily Practice

GCSE Science

10th December 1990

5 questions · GCSE · 584 questions in this band

1
Physics Required Practicals and Uncertainties
Readings have a mean of 20.0 cm and a range of 1.0 cm. Calculate the percentage uncertainty.
2
Energy
A spring is compressed. Which energy store increases?
3
Energy Stores, Transfers and Calculations
Name four energy stores.
4
Efficiency, Power and Energy Resources
Why can no device be 100 percent efficient?
5
Electricity
Two resistors are connected in parallel across a 12 V battery. State the potential difference across each resistor.

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