is usually used for brush rockers
A) Mild steel
B) Copper
C) Aluminium
D) Cast-iron
Correct Answer:
Verified
Q6: The surge phenomenon is particularly important in
Q7: Which of the following in an application
Q8: D.C. servomotors are used in
A)purely D.C. control
Q9: The stator of a D.C. machine comprises
Q10: The laminations of the armature of a
Q12: _ brushes are fragile and cause excessive
Q13: Which of the following brushes can be
Q14: _ is the common method of applying
Q15: Which of the following problem arises in
Q16: The weight of copper of both armature
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