Daily Practice · GCSE Science

Daily Practice - GCSE Science

29th July 1998

5 questions · GCSE · 584 questions in this band

1
Physics Required Practicals and Uncertainties
Define the resolution of a measuring instrument.
2
Energy
A kettle transfers 360000 J of energy in 150 s. Calculate its power in watts.
3
Energy Stores, Transfers and Calculations
A 3 kg object is raised 2 m. Calculate the gravitational potential energy gained. (g = 9.8 N/kg)
4
Efficiency, Power and Energy Resources
Give the equation for efficiency in terms of energy.
5
Electricity
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.

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