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Quiz 3 BTI1523@Chapter 6

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Materials which can conduct electricity better than insulator,but not as well as conductors. This is the definition of

a)

diode

b)

semiconductor

c)

conductor

d)

insulator

2.

Doping of Semiconductors

a)

materials which can conduct electricity better than insulator, but not as well as conductors.

b)

The process of adding of a certain amount of specific impurities atoms in the pure semiconductor.

c)

when 4 electrons in outermost orbit.

d)

Sharing their shell

3.

What happen if anode and cathode combine together?

a)

Extrinsic

b)

Covalent Bonding

c)

Doping

d)

Diode

4.

A semiconductor diode is used as

a)

An Oscillator

b)

An Amplifier

c)

An Rectifier

d)

An Modulator

5.

Select the correct polarity for forward bias

a)
b)
c)
d)
6.

Zener diode is a

a)

Variable voltage source

b)

Reverse biased diode 

c)

Forward biased diode

d)

Constant current source

7.

Under normal conditions a diode conducts current when it is ……………

a)

Reversed bias

b)

Forward bias

c)

Avalanched

d)

Saturated

8.

In a P-type semiconductor, the majority carriers are..............and the minority carriers are

a)

Free electrons, holes

b)

Holes, ions

c)

Holes, free electrons   

d)

Ions, holes

9.

The process of adding an impurity to an intrinsic semiconductor is called

a)

Doping

b)

Ionization

c)

Recombination

d)

Atomic modification

10.

The minority carriers in P-type silicon are called _________________

a)

Neutron

b)

Proton

c)

Electron

d)

Hole