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Electronics - Set 1

Home
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NUST Entrance Test
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Physics
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Electronics

Set 1

MM

Mashaal Masha

Oct 16, 2022

On this page

$Computer chips are made from:$
$Silicon is one of the most commonly used:$
$The huge advances in electronics over the recent past are due to discovery and use of:$
$The use of chips in electrons is described in the form of:$
$Crystal of germanium or silicon in its pure form at absolute zero acts as:$
$At room temperature, crystal of germanium, in its pure form, act as:$
$Atomic number of germanium atom and number of valence electrons in it are respectively:$
$All the valence electrons present in a crystal of silicon are bound in their orbits by:$
$An outer most orbit represents stable configuration if it possesses:$
$A p-type crystal is:$

Choose the correct options for the following questions.

Computer chips are made from:

Difficulty: Easy

A:

Iron

B:

Silicon

C:

Helium

D:

Strontium

Silicon is one of the most commonly used:

Difficulty: Easy

A:

Conductor

B:

Dielectric

C:

Crystal of germanium or silicon in its pure form at absolute zero acts as:

D:

Semiconductor

The huge advances in electronics over the recent past are due to discovery and use of:

Difficulty: Easy

A:

Conductors

B:

Insulators

C:

Semiconductors

D:

Iron

The use of chips in electrons is described in the form of:

Difficulty: Easy

A:

Yellow boxes

B:

Black boxes

C:

Red boxes

D:

White boxes

Crystal of germanium or silicon in its pure form at absolute zero acts as:

Difficulty: Easy

A:

A conductor

B:

A semiconductor

C:

An insuator

D:

Both a and c

At room temperature, crystal of germanium, in its pure form, act as:

Difficulty: Easy

A:

A conductor

B:

A semiconductor

C:

An insulator

D:

Both a and c

Atomic number of germanium atom and number of valence electrons in it are respectively:

Difficulty: Easy

A:

32, 4

B:

4, 32

C:

14, 4

D:

22, 3

All the valence electrons present in a crystal of silicon are bound in their orbits by:

Difficulty: Easy

A:

Ironic bond

B:

Covalent bond

C:

Molecular bond

D:

Both a and b

An outer most orbit represents stable configuration if it possesses:

Difficulty: Easy

A:

4 electrons

B:

8 electrons

C:

12 electrons

D:

16 electrons

A p-type crystal is:

Difficulty: Easy

A:

Neutral as a whole

B:

Impurity added crystal

C:

Pure crystal

D:

Both a and b