Sun February 15, 2009 By: Aisha Mohd


Expert Reply
Sun February 15, 2009

ac generator is a machine which generates electricity by using the principle of electromagnetic induction.

A dc motor is a device that converts electrical energy into mechanicl energy.It works on the principle that when a current carrying conductor , capable of rotating freely, is placed in a magnetic field, it experiences a force and begins to move in a direction given by Fleming's left hand rule. 

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