Daily Practice · GCSE Science

Daily Practice - GCSE Science

1st April 1999

5 questions · GCSE · 584 questions in this band

1
Physics Required Practicals and Uncertainties
Give one reason for taking the gradient from the line of best fit rather than from two data points.
2
Energy
A motor is supplied with 800 J of energy and wastes 240 J as heat. Calculate its efficiency as a percentage.
3
Energy Stores, Transfers and Calculations
By what factor does kinetic energy increase if speed is doubled?
4
Efficiency, Power and Energy Resources
Name three renewable energy resources.
5
Electricity
A resistor of resistance 15 ohm is connected to a 6.0 V supply. Calculate the current flowing through it. Use V = I x R.

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