Physics

Beschreibung

Year 10 science (Physics) Mindmap am Physics, erstellt von Aoife Warren am 03/02/2017.
Aoife Warren
Mindmap von Aoife Warren, aktualisiert more than 1 year ago
Aoife Warren
Erstellt von Aoife Warren vor mehr als 7 Jahre
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Zusammenfassung der Ressource

Physics

Anlagen:

  1. Magnets

    Anmerkungen:

    • Magnets have a north pole and a south pole

    Anlagen:

    1. Same Poles Repel

      Anmerkungen:

      • For example  S and S repel  N and N repel 
      1. Different poles attract

        Anmerkungen:

        • For example  N and S attract
        1. The Field lines travel from N to the S

          Anmerkungen:

          • The field lines go out North and go in South
        2. Electromagnatism

          Anlagen:

          1. The metals which can have magnetic properties

            Anmerkungen:

            • Magnets are magnetic when the domains inside the domains inside then line up
            1. Iron
              1. Steel
                1. Permanent magnet
                2. Cobalt
                  1. Nickel
                  2. Making Electromagnets

                    Anmerkungen:

                    • Need: -Iron core -Coil of wire -electricity How to increase the strength of a electromagnet: - increase the current -increase the amount of Fe  -increase the number of coils
                  3. Waves
                    1. Equations

                      Anmerkungen:

                      • Force (N) = magnetic flux density (Tesla) x current (Amps) x length (m) F = BIL Charge = Current x Time  Q = It
                      1. Symbols

                        Anmerkungen:

                        • Force = F Magnetic density = B Current = I Length = L Charge = Q Time = t  Potential difference = V Energy transferred = E Resistance = R Frequency = fWavelength = 
                        1. Units

                          Anmerkungen:

                          • Charge = Coulomb (C) Current = Amp (A) Time = Second (s) Potential difference = Volts (V) Energy transferred = Joules (J) Resistance = Ohms( Wavelength = (m) Frequency = (Hz) Speed = (m/s) Magnetic flux density = Tesla  Force = Newtons (N) Length = meters (m)
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