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Materials And Components MCQ Questions & Answers | ECE

Learn Materials And Components MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Materials And Components MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-7 section-2

Each section contains 100 MCQs on Materials and Components .
61
A material is said to have become superconductor when
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Answer & Solution
Answer: Option D
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62
How much (approximate) is the frequency independent power factor of a plastic dielectric capacitor?
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Answer: Option B
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63
Which of the following materials is not an insulator?
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Answer: Option B
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64
It is possible to destroy the superconductivity of a material by applying
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Answer: Option A
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65
Which of the following are the properties of ferromagnetic domains?
1. Permanent magnetization
2. Atomic moments in individual domains are all aligned neither parallel to nor perpendicular to one another below Curie point temperature
3. Each domain is magnetically saturated
4. Above Curie temperature, domains disrupt
Select the correct answer using the options given below:
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Answer: Option C
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66
Metal film resistors are made by depositing a very thin layer of metal on a
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Answer: Option C
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67
Intrinsic semiconductor are those which
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Answer: Option B
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68
A perfect conductor has
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Answer: Option C
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69
Which of the following point are important on the viscosity scale in the fabrication and processing of glasses?
1. Softening point
2. Working point
3. Melting point
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Answer: Option D
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70
Which of these ceramic materials have relative permittivity εr between 3 to 6 and loss angle tan δ between 50 × 10-4 to 100 × 10-4?
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Answer: Option B
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