Topic 12 – Magnetism and the motor effect
- Created by: Sweetstar_reema07
- Created on: 24-02-19 19:51
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12.1 Recall that unlike magnetic poles attract and like magnetic poles repel
12.2 Describe the uses of permanent and temporary magnetic materials including cobalt, steel, iron and nickel
12.3 Explain the difference between permanent and induced magnets
12.4 Describe the shape and direction of the magnetic field around bar magnets and for a uniform field, and relate the strength of the field to the concentration of lines
12.5 Describe the use of plotting compasses to show the shape and direction of the field of a magnet and the Earth’s magnetic field
12.6 Explain how the behaviour of a magnetic compass is related to evidence that the core of the Earth must be magnetic
12.7 Describe how to show that a current can create…
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