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Test: Principle of Energy Conversion - Electrical Engineering (EE) MCQ


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5 Questions MCQ Test - Test: Principle of Energy Conversion

Test: Principle of Energy Conversion for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Test: Principle of Energy Conversion questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Principle of Energy Conversion MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Principle of Energy Conversion below.
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Test: Principle of Energy Conversion - Question 1

An electro-mechanical energy conversion device is one which converts _______

Detailed Solution for Test: Principle of Energy Conversion - Question 1

The operating principles of electrical to mechanical and mechanical to electrical conversion devices are similar, hence, the common name electro-mechanical device. However, their structural details differ depending on their function.

Test: Principle of Energy Conversion - Question 2

The energy storing capacity of magnetic field is about ________ times greater than that of electric field.

Detailed Solution for Test: Principle of Energy Conversion - Question 2

As the energy storage capacity of the magnetic field is higher, it is most commonly used as coupling medium in electro-mechanical energy conversion devices.

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Test: Principle of Energy Conversion - Question 3

In an electro-mechanical energy conversion device, which of the following statements are correct regarding the coupling field?
(i) electrical side is associated with emf and current
(ii) electrical side is associated with torque and speed
(iii) mechanical side is associated with emf and current
(iv) mechanical side is associated with torque and speed

Detailed Solution for Test: Principle of Energy Conversion - Question 3

The coupling field will be associated with the electrical quantities on electrical side and vice versa.

Test: Principle of Energy Conversion - Question 4

What is the coupling field used between the electrical and mechanical systems in energy conversion devices?

Detailed Solution for Test: Principle of Energy Conversion - Question 4

Either electric field or magnetic field can be used, however most commonly we use magnetic field because of its greater energy storage capacity.

Test: Principle of Energy Conversion - Question 5

The formula for energy stored in the mechanical system of linear motion type is ______

Detailed Solution for Test: Principle of Energy Conversion - Question 5

Energy stored is kinetic energy, since the system is of linear motion.

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