A 4 pole, d.c. generator has a wave wound armature with 812 conductors. The flux per pole is 0.014 Wb. The speed at which it should be run to generate 240 V on no load is

A 4 pole, d.c. generator has a wave wound armature with 812 conductors

1.	A 4 pole, d.c. generator has a wave wound armature with 812 conductors. The flux per pole is 0.014 Wb. The speed at which it should be run to generate 240 V on no load is
A.	623.23 rpm
B.	633.35 rpm
C.	643.36 rpm
D.	645.53 rpm
Answer» C. 643.36 rpm

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A 4 pole, d.c. generator has a wave wound armature with 812 conductors. The flux per pole is 0.014 Wb. The speed at which it should be run to generate 240 V on no load is

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