Magnetism and Electromagnetism

Olivia Weatherhead
Mind Map by Olivia Weatherhead, updated more than 1 year ago
Olivia Weatherhead
Created by Olivia Weatherhead almost 7 years ago
188
1

Description

GCSE Physics (Magnetism and Electromagnetism) Mind Map on Magnetism and Electromagnetism, created by Olivia Weatherhead on 05/30/2013.

Resource summary

Magnetism and Electromagnetism
1 Magnets & Magnetic Materials
1.1 Permanent Magnets
1.1.1 Steel
1.1.2 Hard Magnetic Materials
1.1.3 Stay Magnitised
1.2 Like Poles Repel
1.3 Unlike Poles Attract
1.4 Iron
1.4.1 Soft
1.4.1.1 Magnetised and Demagnitised
1.4.1.2 Easily Changes
1.4.2 Attract & pick up other Magnetic Substances
2 Electromagnets
2.1 Stronger Field
2.1.1 Increasing Turns
2.1.2 Increasing Current
2.1.3 Wrap around Soft Iron Core
2.2 Electric Bell
2.2.1 Pulls arm to hit bell
2.3 Relay Switch
2.3.1 Safety
2.3.2 Voltage too high
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