1.

Consider the principle that the torque in a rotating machine is proportional to peak of stator MMF(Fs), rotor MMF(Fr) and the angle between them(δ). Following statements relate to Fs,Fr and δ in different machine?#

A. δ is fixed in DC machine
B. F<sub>s</sub> is fixed in DC shunt machine
C. δ is variable in induction machine
D. F<sub>r</sub> is fixed in synchronous machne
Answer» C. ‚âà√≠¬¨‚Ä¢ is variable in induction machine


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