Physics 7: Magnets Flashcards

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1
Q

What is the difference between an induced magnet vs a permanent magnet

A

Induced - metal which only magnetic when its around another magnet or rubbing paper clip

Permanent - normal magnets with a north and south

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2
Q

Factors affecting the magnetic field of a wire

A
  1. Strength of the current
  2. Increasing number of coils
  3. Length of wire
  4. Cross sectional area of the wire
  5. Iron core present
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