The speed of a DC motor can be controlled by applying variable voltage to the armature or field.
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Q2: When a motor is connected as a
Q3: _, which press against the commutator segment,
Q4: There are three basic types of DC
Q5: The _ is the rotating part of
Q6: There are two types of field windings
Q7: What are some applications of DC motors?
Q8: How do you reverse a compound motor?
Q9: Auxiliary contacts on motor starters cannot be
Q10: Some circuits employ the use of normally
Q11: Some circuit requirements may demand that the
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