
Unit 2
Authored by vishal wadkar
Engineering
12th Grade
Used 1+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Which of the following is the primary function of a generator?
Converts electrical energy to mechanical energy
Converts mechanical energy to electrical energy
Produces torque to rotate a shaft
Reduces voltage in the circuit
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Which of the following is the primary function of a motor?
Converts electrical energy to mechanical energy
Converts mechanical energy to electrical energy
Generates high voltage
Stores electrical energy
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Which of the following is a part of the construction of a DC motor?
Field, armature, and commutator
Rotor and stator only
Transformer core and winding
Inductor and capacitor
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is the working principle of a DC motor?
A current-carrying conductor experiences a force when placed in a magnetic field.
A voltage is induced in a conductor when it moves through a magnetic field.
A current generates a magnetic field around a conductor.
The current is directly proportional to the applied voltage.
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Which of the following is a type of DC motor?
Synchronous motor
Induction motor
Shunt, series, and compound motors
Universal motor
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
The working principle of an induction motor is based on:
Faraday's law of electromagnetic induction
Lenz's law
Fleming’s left-hand rule
Newton’s law of motion
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
In a transformer, the primary coil is connected to:
The output load
A constant DC supply
An alternating current (AC) supply
The ground
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