Question 1 of 10
What is a PN junction diode formed from?
A PN junction diode is formed when a p-type semiconductor (rich in holes) is joined with an n-type semiconductor (rich in electrons).
Question 2 of 10
In a PN junction, which type of charge carriers are dominant in the P-type region?
P-type semiconductors are rich in holes, which act as positive charge carriers.
Question 3 of 10
In a PN junction, which type of charge carriers are dominant in the N-type region?
N-type semiconductors are rich in electrons, which act as negative charge carriers.
Question 4 of 10
In which bias condition does a diode allow current to flow?
In forward bias, the diode allows current to flow freely.
Question 5 of 10
What happens to the depletion region in forward bias?
In forward bias, the depletion region shrinks, allowing current to flow.
Question 6 of 10
What happens to the depletion region in reverse bias?
In reverse bias, the depletion region widens, blocking current flow.
Question 7 of 10
In reverse bias, what is the connection of the positive terminal?
In reverse bias, the positive terminal is connected to the N-side.
Question 8 of 10
What is the primary function of a PN junction diode?
A PN junction diode acts as a one-way switch, allowing current to flow in only one direction.
Question 9 of 10
Which of the following describes the behavior of a diode in reverse bias?
In reverse bias, the diode blocks current flow, except for a tiny leakage current.
Question 10 of 10
What happens to electrons and holes in forward bias?
In forward bias, electrons from the N-side and holes from the P-side move towards the junction.
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