What is the effect on time constant of transient current, as a result – McqOptions

MCQOPTIONS

1.	What is the effect on time constant of transient current, as a result of resistance commutation?
A.	Remains same
B.	Decreases
C.	Increases
D.	Increases then decreases
Answer» E.

Discussion

No Comment Found

Related MCQs

POLARITY_OF_INTERPOLES_IS_ONE_POLE_AHEAD_IN_THE_DIRECTION_OF_ARMATURE_ROTATION_IN______________?$
Formula for cancellation of reactance voltage on an average basis using interpoles ________$
What_is_the_size_of_interpolar_air_gap_compare_to_main_pole_air_gap?$
A 440 V, 4-pole, 25 kW, dc generator has a wave-connected armature winding with 846 conductors. The mean flux density in the air-gap under the interpoles is 0.5 Wb/m2 on full load and the radial gap length is 0.3 cm. Number of turns required on each interpole is _________
For a given 4-pole machine, carrying armature current 56.82 A, with 846 conductors. The mean flux density in the air gap under the interpoles is 0.5 Wb/m2 on full load and radial gap length is 0.3 cm. Ampere-turns required for an interpole is ____________
Interpoles are excited by keeping them in ____________ with armature?
Interpoles are excited with ____________
Which voltage is neutralized in voltage commutation process?
What is the effect on time constant of transient current, as a result of resistance commutation?
In resistance commutation method we add resistance between __________________