Alternators, Dynamos & Oscilloscopes

• What type of electrical current does an alternator produce

  Produces an alternating current
• As the coil of an alternator rotates faster, what happens to the oscillations of the current

  The peaks become larger and more frequent
• In an alternator, do the contacts swap every half turn

  No
• In a dynamo, do the contacts swap every half turn?

  Yes
• What type of electrical current is produced by a dynamo

  Direct current