Edexcel IGCSE Physics 復(fù)習(xí)筆記 6.1.8 Electromagnets Electromagnets When an electric current flows in a wire it creates a?magnetic field?around the wire By winding the wire into a?coil?we can...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 6.1.7 Fleming's Left-Hand Rule Fleming's Left-Hand Rule The?direction?of the?force?(aka the?thrust) on a current carrying wire depends on the direction of the ...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 6.1.6 The Motor Effect Magnetic Force on a Current-Carrying Wire The?motor effect?occurs: When a wire with current flowing through it is placed in a magnetic field an...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 6.1.5 Electromagnetism Electromagnetism When a?current?flows through a conducting wire a?magnetic field?is produced around the wire The shape and direction of ...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 6.1.4 Core Practical: Investigating Magnetic Fields Core Practical 12: Investigating Magnetic Fields Aim of the Experiment To investigate the magnetic field pa...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 6.1.3 Permanent & Induced Magnets Permanent & Induced Magnets Magnetic materials are attracted to a magnet; non-magnetic materials are not Very ...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 6.1.2 Magnetic Fields Magnetic Field Lines All magnets are surrounded by a?magnetic field A magnetic field is defined as: The region around a magnet whe...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 6.1.1 Magnetism The Law of Magnetism Poles of a Magnet The ends of a magnet are called poles Magnets have two poles: a north and a south Poles of a Magnet The Law of ...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 5.3.6 Boyle's Law Boyle's Law For a fixed mass of a gas held at a constant temperature: pV?= constant Where: p?= pressure in pascals (Pa) V?= vol...
