Magnetism and Electromagnetism


Mind Map on Magnetism and Electromagnetism , created by Birchwood98 on 04/20/2015.
Mind Map by Birchwood98, updated more than 1 year ago
Created by Birchwood98 over 8 years ago

Resource summary

Magnetism and Electromagnetism
  1. Magnetism
    1. Magnetic materials
      1. Hard Materials
        1. Steel
        2. Soft Materials
          1. Iron
        3. Magnetic Field
          1. The field where a magnetic force acts
            1. If a magnetic material is placed in a magnetic field magnetism is induced
            2. Like poles repel
              1. Unlike poles attract
              2. Electromagnetism
                1. Transformers
                  1. Step Down
                    1. More primary coils than secondary
                    2. Step up
                      1. More secondary coils than primary
                      2. Alternating current
                        1. Continually cuts coils
                        2. Coils
                          1. Stronger magnetic field
                            1. Stronger Voltage
                              1. Stronger current
                          2. Flemings left hand rule
                            1. Force
                              1. Field
                                1. Current
                                2. A current carrying conductor produces a magnetic field
                                  1. Only if motion is not parallel to field
                                    1. Force increases with strength of field
                                      1. Force increases with the strength current
                                        1. Used in dc motors
                                          1. Current in coil
                                            1. Charged particles experience force
                                              1. 1 side of the coil goes upwards
                                                1. The other side goes downwards
                                              2. Permanent magnet
                                              3. Used in loudspeakers
                                                1. Alternating current in coil
                                                  1. Alternating magnetic field
                                                    1. Causing the coil to be continually attracted and repelled by the magnetic field
                                                      1. Causes the paper cone to vibrate
                                                        1. Causes sound vibrations
                                                  2. Permanent magnet
                                                    1. Paper cone
                                                  3. There is a force on a charge carrying particle in a magnetic field
                                                    1. Generators
                                                      1. Coils cut magnetic field
                                                        1. Inducing a voltage
                                                          1. and current
                                                          2. not when parallel
                                                          3. increased current
                                                            1. Stronger field
                                                              1. More coils
                                                                1. Faster cutting
                                                            Show full summary Hide full summary


                                                            Forces and motion
                                                            Catarina Borges
                                                            Forms of Business Ownership Quiz
                                                            Noah Swanson
                                                            Forces and their effects
                                                            Market Segementation
                                                            Noah Swanson
                                                            Types and Components of Computer Systems
                                                            Jess Peason
                                                            History - Treaty of Versailles
                                                            The Weimar Republic, 1919-1929
                                                            TYPES OF DATA
                                                            Elliot O'Leary
                                                            AQA Physics P1 Quiz
                                                            Bella Statham
                                                            GCSE AQA Physics - Unit 3
                                                            James Jolliffe
                                                            Using GoConqr to study science
                                                            Sarah Egan