Daily Practice · GCSE Science

Daily Practice - GCSE Science

19th August 1997

5 questions · GCSE · 584 questions in this band

1
Energy Stores, Transfers and Calculations
A 3 kg object is raised 2 m. Calculate the gravitational potential energy gained. (g = 9.8 N/kg)
2
Efficiency, Power and Energy Resources
Give the equation for efficiency in terms of energy.
3
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.
4
Circuits, Resistance and Components
Two 4 ohm resistors are connected in series. Calculate the total resistance.
5
Mains Electricity, Power and Energy
Why is the live wire dangerous even when a device is switched off?

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