Font size
WorksheetsSA3 - Motor
Total questions: 20
Worksheet time: 19mins
Which of the following will produce the strongest electromagnet?
A coil of 20 turns of wire
A coil of 30 turns of wire
A coil of 40 turns of wire
Which of the following describes a motor?
It creates mechanical energy.
It doesn't need an electrical source to function.
It doesn't follow the Law of Conservation of Energy.
It converts electrical energy into mechanical energy.
Which of the following converts electrical energy into mechanical energy ?
circuit breaker
generator
transformer
motor
Which of the following cannot affect the performance of a motor?
battery
magnetic force
number of turns in the coil
size of the voltmeter
Electromagnet doesn't need an electric source to produce a magnetic field.
True
False
Why might a current-carrying wire be placed between a magnetic field?
To increase the current from the interaction of magnetic fields
To increase the voltage from the interaction of magnetic fields
To produce a force from the interaction of magnetic fields
What angle must there be between a magnetic field and a conductor in order for the maximum force to be exerted?
180
45
90
270
Which rule can be used to work out which way a coil of wire rotates in a motor?
Fleming's left-hand rule
Fleming's right-hand rule
which of the following are the TWO main parts of a motor?
rotor and stator
rotor and motor
stator and motor
ac motor and dc motor
which of the following is the stationary part of a motor?
stator
rotor
shaft
motor
3-phase AC induction motor is also known as____.
1-phase AC synchronous motor
1-phase AC asynchronous motor
3-phase AC synchronous motor
3-phase AC asynchronous motor
which of the following is the rotating part of a motor?
stator
rotor
generator
motor
3-phase AC synchronous motor operates at a ___ power factor.
lagging
unity
leading
none of the above
which of the following is part of the rotor for squirrel cage induction motor?
- Shaft
- Frame
- Rotor Bars and End Rings
- Laminated Magnetic Core
- Stator core
- Stator windings
- Shaft
- Laminated Magnetic Core
- Rotor Bars and End Rings
- Frame
- Stator core
- Stator windings
which of the following is part of the stator for squirrel cage induction motor?
- Shaft
- Frame
- Rotor Bars and End Rings
- Laminated Magnetic Core
- Stator core
- Stator windings
- Shaft
- Laminated Magnetic Core
- Rotor Bars and End Rings
- Frame
- Stator core
- Stator windings
Which of the following materials is commonly used as a core in an electromagnet?
Copper
Aluminum
Iron
Gold
What is the purpose of the commutator in a DC motor?
To control the speed of the motor
To reverse the direction of the motor
To convert AC current to DC current
To ensure the flow of current in the correct direction
Which of the following is a type of AC motor?
Series-Wound Motor
Compound-Wound Motor
Single-Phase Motor
Shunt-Wound Motor
Which of the following is a type of AC motor?
Series-Wound Motor
Compound-Wound Motor
Three-Phase Motor
Shunt-Wound Motor
Which of the following is a type of DC motor?
Series-Wound Motor
Compound-Wound Motor
Three-Phase Motor
Shunt-Wound Motor
