Daily Practice

GCSE Science

19th March 1991

5 questions · GCSE · 584 questions in this band

1
Efficiency, Power and Energy Resources
Define power and give its unit.
2
Electricity
Two resistors are connected in parallel across a 12 V battery. State the potential difference across each resistor.
3
Circuits, Resistance and Components
Define electric current.
4
Mains Electricity, Power and Energy
Why does the national grid transmit electricity at a very high potential difference?
5
Particle Model of Matter
Calculate the energy needed to melt 0.50 kg of a substance with a specific latent heat of fusion of 210000 J/kg.

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1991, including the monthly compilation PDF.