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Engineering Materials in EE

Engineering Materials in EE
The atomic radius in case of face centered cubic lattice is

 a / 4.
 a / 2.
 a.
 a / 3.

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Engineering Materials in EE
Almost the entire mass of an atom is concentrated in the

 neutrons.
 protons.
 nucleus.
 electrons.

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Engineering Materials in EE
Permittivity of free space is equal to

 8.854 × 10 - 11 F / m.
 8.854 × 10 - 12 F / m.
 8.854 × 10 - 10 F / m.
 8.854 × 10 - 13 F / m.

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Engineering Materials in EE
The core of a transformer for microwave frequency should be made of

  silicon carbide.
  ferrites.
 iron.
  silicon.

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Engineering Materials in EE
What is the value of dielectric constant of air?

 1.
 Less than 1
 0.
 none of these.

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Engineering Materials in EE
In Bohr’s model of atomic structure, the nucleus consists of

 protons.
 electrons.
 protons and neutrons.
 electrons and protons.

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MORE MCQ ON Engineering Materials in EE

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