Created by Millie Berrett
about 10 years ago
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Properties of magnets?
2 of the same pole will?
2 opposite poles will?
How can you make a magnet?
How do you demagnetize something?
Properties of soft iron?
How can field lines be shown?
How can field lines be shown around a magnet?
What is the rule for field direction?
How can you make a magnetic field stronger?
What is a long coil of wire called?
How could you change the poles?
What is an electromagnet and how is is different form a normal magnet?
What is a magnetic relay?
How does a magnetic relay work?
What is Fleming's left-hand rule?
How does a simple dc motor work?
How can the turning effect on the coil be increased?
How do you induce a current in a coil?
How can the induced voltage be increased?
What is a transformer?
How does a transformer work?
What is the turns ratio
What is a step up transformer?
What is a step down transformer?
What is the equation for power through a transformer?