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91

Question 1

The two leads of a semiconductor diode are the anode and cathode.


◦ true
◦ false

Question 2

Thyristor semiconductors operate similar to rheostat to control current flow.


◦ true
◦ false
92

Answer 1

false



Answer 2

false

93

Question 1

The triac can conduct current in one direction only.


◦ true
◦ false

Question 2

The triac is essentially equivalent to two SCRs connected in series.


◦ true
◦ false
94

Answer 1

false



Answer 2

false

95

Question 1

The NOT gate output is 1 if the input 1.


◦ true
◦ false

Question 2

The transistor is a two-terminal device.


◦ true
◦ false
97

Question 1

The main difference between the operation of an NPN and PNP is that one is supplied from an AC source and the other from a DC source.


◦ true
◦ false

Question 2

The main operating characteristic of a diode is that it allows current through it in both directions.


◦ true
◦ false
99

Question 1

The half-wave rectifier makes use of only one-half of the AC input wave.


◦ true
◦ false

Question 2

The main difference between the N and P type field effect transistors is that the polarities of voltage they are connected to are opposite.


◦ true
◦ false
100

Answer 1

true



Answer 2

false