PREQUIZ DC GEN N DC MOTOR
Authored by Rosmawati Razak
Physics
1st Grade
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
An emf is produced
when magnetic field is static
when the flux is proportional with the conductor
when a conductor cuts a magnetic field.
when conductor in phase with magnetic field
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
THREE FACTORS DETERMINE THE E.M.F IS GENERATED IN THE ARMATURE
The strength of the magnetic field, (φ)
Number of conductors armature, (Z)
Armature speed rate, (N)
All the above
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
What is the function of armature
When armature winding is rotated using prime mover, the magnetic flux and voltage gets induced in it.
provide mechanical support for pole
convert a.c. to d.c.
provides magnetic flux when field winding is excited.
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
This is
shunt generator
series generator
short shunt generator
long shunt generator
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is the formula for terminal voltage ,V?
6.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
This is
Long shunt generator
Short shunt generator
Series generator
Shunt generator
7.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
What is the characteristics of shunt coil?
lower resistance and can carry large currents.
high resistance and capable of bringing a small currents.
high resistance and capable of bringing a higher currents.
lower resistance and can carry small currents.
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