Electrical Engineering Materials MCQ Questions & Answers

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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-7 section-1

The superconductivity is due to

A) The crystal structure having no atomic vibration at 0°K B) All electrons interact in the super-conducting state C) The electrons jump into nucleus at 0°K D) None of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Overhead telephone wires are made of

A) aluminium B) steel C) ACSR conductors D) Copper

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

_________ is most commonly used for making magnetic recording tape

A) Silver nitrate B) Ferric oxide C) Small particles of iron D) Silicon-iron

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

A good electric contact material should have all of the following properties except

A) High resistivity B) High resistance to corrosion C) Good thermal conductivity D) High melting point

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Answer & Solution

Answer: Option A

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Non-linear resistors

A) Produce harmonic distortion B) Follows Ohm’s law at low temperatures only C) Result in non-uniform heating D) None of the above

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Answer & Solution

Answer: Option A

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The covalent bond is formed by

A) Transfer of electrons between atoms B) Sharing of electrons between atoms C) Sharing of variable number of electrons by a variable number of atoms D) None of the above

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Answer & Solution

Answer: Option B

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The formula __________ determines the number of electrons that can be accommodated in any level.

A) 2n² B) 4n² C) 2n³ D) 4n³

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Answer & Solution

Answer: Option A

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Carbon electrodes are not used in

A) GLS lamps B) Electric arc furnace C) Dry cells D) Cinema projectors

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Answer & Solution

Answer: Option A

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At transition temperature the value of critical field is

A) Zero B) Negative real value C) Positive real value D) Complex value

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Answer & Solution

Answer: Option A

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Solder is an alloy of

A) Copper and aluminium B) Tin and lead C) Nickel, Copper and zinc D) Silver, copper and lead

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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Electrical Engineering Materials MCQ Questions & Answers | Electrical Engineering