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WorksheetsCONTROL SYSTEM
Total questions: 10
Worksheet time: 5mins
The speed of a dc motor is
Always constant
Directly proportional to back emf
Directly proportional to flux
Inversely proportional to the product of back emf and flux.
Back emf depends on which one of the following:
armature speed
armature current
armature voltage
armature resistance
The Dc Motor converts
Electrical Energy to Mechanical energy
Mechanical Energy to Electrical energy
both
none of the above
The DC motor Works on the principle of
Mutual Induction
Electro magnetic Induction
Self Induction
all of the above
In force-voltage analogy, what is velocity analogous to
CURRENT
CHARGE
INDUCTANCE
CAPACITANCE
3.Which of the following is the analogous quantity for mass element in force-voltage analogy?
RESISTANCE
INDUCTANCE
CAPACITANCE
TRANSFORMER
4.What is electrical analogous quantity for spring element (K) in force-voltage analogy?
L
R
1/C
C
5.In force-current analogy, what is electrical analogous quantity for displacement (x)?
CURRENT
FLUX
INDUCTANCE
CAPACITANCE
In force-voltage analogy, what is electrical analogous quantity for displacement (x)?
VOLTAGE
FLUX
INDUCTANCE
CHARGE
The Direction of force in DC motor is identified by
Fleming's Left hand Rule
Fleming's Right hand Rule
Lenz's Law
Faraday's law
