Mashaal Masha
Mashaal Masha
 Oct 16, 2022
0
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:
Insulator
D:
Semiconductor
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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
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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
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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

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