In a D.C. generator the number of mechanical degrees and electrical degrees will be the same when
A) r.p.m. is more than 300
B) r.p.m. is less than 300
C) number of poles is 4
D) number of poles is 2
Correct Answer:
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Q3: For the parallel operation of two or
Q4: D.C. series generator is used
A)to supply traction
Q5: Following D.C. generator will be in a
Q6: Interpole flux should be sufficient to
A)neutralise the
Q7: D.C. generator generally preferred for charging automobile
Q9: Permeance is the reciprocal of
A)flux density
B)reluctance
C)ampere-turns
D)resis tance
Q10: In D.C. generators the polarity of the
Q11: The e.m.f. generated in a D.C. generator
Q12: In a D.C. generator in order to
Q13: In D.C. generators on no-load, the air
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