Daily Practice

GCSE Science

8th August 1992

5 questions · GCSE · 584 questions in this band

1
Energy
A 5.0 kg object is lifted 3.0 m. Calculate its gain in gravitational potential energy (g = 9.8 N/kg).
2
Energy Stores, Transfers and Calculations
A 3 kg object is raised 2 m. Calculate the gravitational potential energy gained. (g = 9.8 N/kg)
3
Efficiency, Power and Energy Resources
Give the equation for efficiency in terms of energy.
4
Electricity
A current of 2.0 A flows through a resistor for 30 s. Calculate the charge that flows. Use Q = I x t.
5
Circuits, Resistance and Components
Two 4 ohm resistors are connected in series. Calculate the total resistance.

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