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Chapter 18 - Electronics - 3
1.
Electrically the material objects are grouped into
a) a. 2
b) b. 3
c) c. 4
d) d. 5
2.
The quantities which increase or decrease continuously or remain constant
a) a. Scalar quantities
b) b. Vector quantities
c) c. Analog quantities
d) d. Digital quantities
3.
The number of basic operations upon which digital electronics is based
a) a. 3
b) b. 4
c) c. 5
d) d. 6
4.
Match the column...............................Diodes, transistor and other semiconductor devices
a) Electronics
b) Amplifier
c) E-mail
d) Electromagnetic waves
5.
Match the column...............................Artificial satellites
a) E-mail
b) Electromagnetic waves
c) Digital technology
d) Amplifier
6.
Match the column...............................Immediate communication
a) Amplifier
b) Digital technology
c) E-mail
d) Earth
7.
Match the column...............................Analogue circuit
a) Digital technology
b) Earth
c) Insulator
d) Amplifier
8.
Match the column...............................Modern telephone system
a) Digital technology
b) Silicon
c) Insulator
d) Earth
9.
Match the column...............................Conductor
a) Insulator
b) Earth
c) N-type semiconductor
d) Silicon
10.
Match the column...............................Mica
a) Silicon
b) Rectification
c) Insulator
d) N-type semiconductor
11.
Match the column...............................Semi-conductor
a) N-type semiconductor
b) Rectification
c) Germanium
d) Silicon
12.
Match the column...............................Free electrons
a) N-type semiconductor
b) Forward biased
c) Germanium
d) Rectification
13.
Match the column...............................Holes
a) Rectification
b) p-type semi conductor
c) Forward biased
d) Germanium
14.
Match the column...............................Potential barrier 0.3 volts
a) Rectification
b) Reverse biased
c) Germanium
d) Forward biased
15.
Match the column...............................Current begins to flow
a) Rectification
b) Reverse biased
c) Base
d) Forward biased
16.
Match the column...............................Converting A.C. To D.C
a) Rectification
b) Three basic operations
c) Base
d) Reverse biased
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