Materials And Components MCQ Questions & Answers

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.

For making a capacitor it is better to have a dielectric having

A) High permittivity B) Low permittivity C) Permittivity same as that of air D) Permittivity which is neither high nor low

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Answer & Solution

Answer: Option A

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Which inductor is linear?

A) Air cored B) Cast iron cored C) Sheet steel cored D) Iron alloy cored

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Answer & Solution

Answer: Option A

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As the viscosity of a liquid increases, the relaxation time

A) Remains constant B) Increases C) Decreases D) First decreases then increases

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Answer & Solution

Answer: Option B

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The materials which become polarized on the application of mechanical stress are called piezoelectric.

A) True B) False

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Answer & Solution

Answer: Option A

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Which inductor is used at high frequencies?

A) Cast iron cored B) Sheet steel cored C) Iron alloy cored D) Ceramic cored

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Answer & Solution

Answer: Option D

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The dielectric losses do not depend on frequency.

A) True B) False

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Answer & Solution

Answer: Option B

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A characteristic property of crystal is its periodicity of structure.

A) True B) False

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Answer & Solution

Answer: Option A

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An atom of a rare gas is placed is an electric field E. Then

A) The nucleus will be shifted in the direction of E by an amount which is proportional to E. B) The nucleus will not be shifted. C) The nucleus will be shifted in the direction of E by an amount which is independent of E. D) The nucleus will be shifted in a direction opposite to that of E.

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Answer & Solution

Answer: Option A

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Above a certain temperature, the specific heat of a metal becomes constant. This temperature is called

A) Debye temperature B) Curie temperature C) Neel temperature D) Transition temperature

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Answer & Solution

Answer: Option A

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The rule that resistivity of conductors can be separated into two parts viz. temperature independent and temperature dependent is known as

A) Matthiessen’s rule B) Debye rule C) Curie rule D) Onne’s rule

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Answer & Solution

Answer: Option A

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