115708
Description
Mind Map by Olivia Weatherhead, updated more than 1 year ago
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Created by Olivia Weatherhead
almost 11 years ago
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Magnetism and Electromagnetism
- Magnets & Magnetic Materials
- Permanent Magnets
- Steel
- Hard Magnetic Materials
- Stay Magnitised
- Steel
- Like Poles Repel
- Unlike Poles Attract
- Iron
- Soft
- Magnetised and Demagnitised
- Easily Changes
- Magnetised and Demagnitised
- Attract & pick up other Magnetic Substances
- Soft
- Permanent Magnets
- Electromagnets
- Stronger Field
- Increasing Turns
- Increasing Current
- Wrap around Soft Iron Core
- Increasing Turns
- Electric Bell
- Pulls arm to hit bell
- Pulls arm to hit bell
- Relay Switch
- Safety
- Voltage too high
- Safety
- Stronger Field
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