Study guides
Find a topic, check your course details and build your understanding.
Search a set text, topic, awarding organisation, qualification or course code. Check the version shown on each guide.
Showing 5941–5970 of 12584 guides
Physics
Describe the difference between permanent and induced magnets
OCRGCSE
J249
Physics
Explain how solenoid arrangements can enhance the magnetic effect
OCRGCSE
J249
Physics
Explain how the behaviour of a magnetic (dipping) compass is related to…
OCRGCSE
J249
Physics
Recall that the strength of the field depends on the current and the…
OCRGCSE
J249
Combined Science
Mains electricity: earth wire – green and yellow stripes.
AQAGCSE
8464
Combined Science
Mains electricity: live wire – brown
AQAGCSE
8464
Combined Science
Most electrical appliances are connected to the mains using three- core…
AQAGCSE
8464
Physics
Most electrical appliances are connected to the mains using three- core…
AQAGCSE
8463
Combined Science
Mains electricity: neutral wire – blue
AQAGCSE
8464
Combined Science
Mains electricity: Students should be able to explain:
AQAGCSE
8464
Physics
Students should be able to explain: that a live wire may be dangerous even…
AQAGCSE
8463
Combined Science
That a live wire may be dangerous even when a switch in the mains circuit…
AQAGCSE
8464
Combined Science
The dangers of providing any connection between the live wire and earth.
AQAGCSE
8464
Physics
The earth wire is a safety wire to stop the appliance becoming live.
AQAGCSE
8463
Physics
The earth wire is at 0 V, it only carries a current if there is a fault.
AQAGCSE
8463
Combined Science
The insulation covering each wire is colour coded for easy identification:
AQAGCSE
8464
Physics
The insulation covering each wire is colour coded for easy identification:…
AQAGCSE
8463
Physics
The live wire carries the alternating potential difference from the supply.
AQAGCSE
8463
Combined Science
The live wire carries the alternating potential difference from the…
AQAGCSE
8464
Physics
Mains electricity: The neutral wire completes the circuit.
AQAGCSE
8463
Physics
The potential difference between the live wire and earth (0 V) is about…
AQAGCSE
8463
Combined Science
The potential difference between the live wire and earth (0 V) is about…
AQAGCSE
8464
Combined Science
Maintaining biodiversity: breeding programmes for endangered species
AQAGCSE
8464
Combined Science
Maintaining biodiversity: protection and regeneration of rare habitats
AQAGCSE
8464
Combined Science
Recycling resources rather than dumping waste in landfill.
AQAGCSE
8464
Combined Science
Reduction of deforestation and carbon dioxide emissions by some governments
AQAGCSE
8464
Combined Science
Reintroduction of field margins and hedgerows in agricultural areas where…
AQAGCSE
8464
Combined Science
Scientists and concerned citizens have put in place programmes to reduce…
AQAGCSE
8464
Biology
Scientists and concerned citizens have put in place programmes to reduce…
AQAGCSE
8461
Combined Science
Students should be able to describe both positive and negative human…
AQAGCSE
8464
A week of Premium from your first lesson · Then the free plan continues · No card, no charge