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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-1 section-3

Each section contains 100 MCQs on Materials and Components .
1
When a dielectric is subjected to an alternating electric field of angular frequency 'ω', its power loss is proportional to
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Answer: Option A
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2
Which one of the following is the correct statement?
Superconducting metal in superconducting state has relative permeability of
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Answer: Option C
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3
Which of the following is not a piezo-electric material?
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Answer: Option D
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4
Which of the following materials is preferred for transmitting electrical energy over long distance?
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Answer: Option D
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5
The electronic properties of the nanotube could be changed between metallic and semiconducting simply of varying
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Answer: Option B
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6
Which of the following has the highest skin depths?
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Answer: Option A
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7
The type of by-pass capacitor that work best at high frequencies is
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Answer: Option C
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8
The tolerance of ceramic capacitor is
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Answer: Option C
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9
The geometrical configuration of one molecule of C60 buckminsterfullerene contains.
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Answer: Option B
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10
The ratio $$\frac{{\text{k}}}{{\sigma {\text{T}}}}$$ (where k is the thermal conductivity, σ is the electrical conductivity and T is the temperature) for metals
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Answer: Option A
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