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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-5 section-3

Each section contains 100 MCQs on Materials and Components .
41
The electrical conductivity of the ferrite is
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Answer: Option B
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42
The temperature coefficient of a resistance of a doped semiconductor is
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Answer: Option B
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43
Match List-I with List-II and select the correct answer using the options given below the lists:
List-I (Type of Capacitor) List-II (Characteristic)
a. Paper 1. Low volume for large capacitance
b. Mica dielectric 2. Inexpensive
c. Ceramic dielectric 3. Suitable for RF bypass
d. Electrolytic 4. Long-term stability
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Answer: Option B
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44
A piece of writing paper that is 10 cm wide, 15 cm long and 0.05 mm thick has a dielectric strength of 8 kV/mm. If it is placed between two copper plates and subjected to an increasing voltage, it will break down at
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Answer: Option C
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45
High permittivity ceramic is used for capacitors of
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Answer: Option A
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46
What is the ratio of thermal conductivity to electrical conductivity equal to?
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Answer: Option C
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47
Strong and ductile materials
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Answer: Option C
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48
The magnetic material in which permanent atomic magnetic dipoles have parallel orientation is termed as which one of the following?
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Answer: Option C
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