force on a conductor (at right angles to a magnetic field) carrying a current = magnetic flux density × current × length 2 A flows through a 50 cm wire. Calculate the force acting on the wire when it ...
Here you can find CCEA past papers for GCSE Physics (Single Science). Use the links below to download question papers and mark schemes (which contain the answers). If you’re unsure whether you need ...
In 1845, physicist Michael Faraday provided the first direct evidence that electromagnetism and light are related. Now, it turns out that this connection is even stronger than Faraday imagined. In his ...
The study of the earth's changing magnetic field at geological and societal timescales, especially through the analysis of remanent magnetism in rocks and human artifacts. The main function of the ...