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In a two phase generator, the armature has two distinct windings that are displaced __________ apart.(a) 45⁰(b) 90⁰(c) 135⁰(d) 180⁰This question was addressed to me by my college professor while I was bunking the class.This intriguing question comes from Polyphase System topic in portion Polyphase Circuits of Network Theory

Answer»

Correct answer is (b) 90⁰

Best explanation: SINGLE phase VOLTAGES and currents are generated by single phase GENERATORS and the armature of such generator has only one winding or one set of coils. In a two phase generator, the armature has two distinct windings that are DISPLACED 90⁰ APART. θ= 90⁰.



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