Electrical Engineering Materials MCQ Questions & Answers | Electrical Engineering

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1.
On which of the following factors does the resistivity of a material depend ?

A. Resistance of the conductor

B. Area of the conductor section

C. Length of the conductor

D. All of the above

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2.
Piezoelectric materials serve as a source of ________ .

A. Resonant waves

B. Musical waves

C. Microwaves

D. Ultrasonic waves

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3.
The tiny block formed by the arrangement of a small group of atoms is called the

A. Unit cell

B. Space lattice

C. Either A or B

D. None of the above

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4.
The number of atoms per unit cell in B.C.C. structure is

A. 1

B. 2

C. 4

D. 8

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5.
Which of the following variety of copper has the best conductivity ?

A. Induction hardened copper

B. Hard drawn copper

C. Pure annealed copper

D. Copper containing traces of silicon

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