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Magnetic Fields

Mahi Tuatahi

The battery is 12V.

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  1. When switched on, how many joules of energy does the cell supply to each coulomb of charge that flows out of the cell? (A)

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  1. When the cell is switched on, the resistance of the lamp is $9\Omega$. Calculate the current flowing through the lamp. (A)
  2. State the meaning of the term resistance in terms of electron flow. (A)

Magnetic Fields

Magnetic fields can be found in two places:






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Drawing Magnetic Fields on Paper


Current Carrying Wire

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Right Hand Grip Rule 1

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Right Hand Grip Rule 2

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Magnetic Elements

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Ferromagnetism


Paramagnetism


Diamagnetism

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