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  • arunchary

    @arunchary-VtqB3c • Nov 1, 2012

    losses first as to be considered, excitation is to be in external it may problem,and also consideration of AC and DC types.....

  • Jeffrey Arulraj

    @jeffrey-xA7lUP • Nov 2, 2012

    In the case of DC motor when the motor runs An emf is induced right opposing the flux change

    Then why can't it be used for other purposes the efficiency of the motor will increase on the whole as multi tasking is done by the motor