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Home / Interview Subjects / Electrical Machines
WithoutBook LIVE Mock Interviews Electrical Machines Related interview subjects: 12

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Know the top Electrical Machines interview questions and answers for freshers and experienced candidates to prepare for job interviews.

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The Best LIVE Mock Interview - You should go through before interview

Know the top Electrical Machines interview questions and answers for freshers and experienced candidates to prepare for job interviews.

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Freshers / Beginner level questions & answers

Ques 1

What is the significance of the term 'slip' in induction motors?

Slip is the difference between the synchronous speed of the rotating magnetic field and the actual speed of the rotor. It determines the rotor speed relative to the rotating magnetic field.
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Ques 3

Define torque in the context of electrical machines.

Torque is the measure of the rotational force exerted by a motor. In electrical machines, it is the product of the force applied and the distance from the axis of rotation.
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Ques 6

Define the term 'flux' in the context of electrical machines.

Flux is the magnetic field generated by the flow of current in a coil. It plays a crucial role in the operation of transformers, motors, and generators.
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Ques 7

What is the role of the armature in an electric generator?

The armature in an electric generator is the rotating part that cuts across magnetic lines, inducing an electromotive force (EMF) in the coils and generating electrical power.
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Ques 8

What is the role of brushes in a DC motor?

Brushes in a DC motor maintain electrical contact between the rotating armature and the stationary part (stator), allowing current to flow into the armature windings.
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Ques 9

Define the term 'horsepower' in the context of electrical machines.

Horsepower is a unit of power measurement, equivalent to 745.7 watts. It is commonly used to express the power output of motors and engines.
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