Synchronous impedance method of finding voltage regulation of an alternator is called :

Synchronous impedance method of finding voltage regulation of an alternator is called pessimistic method because
(a) it is simplest to perform and compute
(b) it gives regulation value higher than is actually found by direct loading
(c) armature reaction is wholly magnetising
(d) it gives regulation value lower than is actually found by direct loading

Anurag Mishra Professor Asked on 1st February 2016 in Physics.
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    Answer: (b) it gives regulation value higher than is actually found by direct loading 

    Anurag Mishra Professor Answered on 21st May 2016.
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