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Electrical Engineering Materials MCQ Questions & Answers | Electrical Engineering

Learn Electrical Engineering Materials MCQ questions & answers are available for a Electrical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Electrical Engineering Materials MCQ question is the important chapter for a Electrical Engineering and GATE students. Page-4 section-1

31
__________ is the main constituent of glass.
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Answer & Solution
Answer: Option B
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32
In a superconductor the value of critical density depends upon
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Answer: Option D
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33
The co-ordination number of a simple cubic structure is
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Answer & Solution
Answer: Option D
Solution:
In a simple cubic structure, each particle or atom is in contact with six nearest neighbors. This arrangement leads to a coordination number of 6 for a simple cubic lattice.

Therefore, the correct answer is Option D: 6.
34
The conduction of electricity, in semiconductors, takes place due to movement of
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Answer: Option D
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35
In conductors conduction of electricity takes place due to movement of
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Answer: Option A
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36
A highly conductive material must have
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Answer: Option E
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37
Is an element used in semiconductors whose atoms have three valence electrons.
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Answer: Option A
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38
The coils of D.C. motor starter are wound with wire of
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Answer: Option C
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39
Due to which of the following factors the brush wear rate is altered?
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Answer: Option D
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40
Which of the following affect greatly the resistivity of electrical conductors?
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Answer: Option A
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