P-N Junction Diode

IMPORTANT

P-N Junction Diode: Overview

This topic covers concepts, such as, p-n Junction, Potential Barrier at the Junction Diode, Fabrication of P-N Junction Diode & Barrier Electric Field in Junction Diode etc.

Important Questions on P-N Junction Diode

HARD
IMPORTANT

Which of the following circuit diagram of pn junction diode is (i) forward bias and in (ii) reverse bias:
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EASY
IMPORTANT

In diode, increasing the forward voltage, the thickness of depletion layer ____

EASY
IMPORTANT

The breakdown mechanism in a lightly doped P-N junction under reverse biased condition is called _____ breakdown.

EASY
IMPORTANT

Low doping required for Avalanche breakdown in diodes. 

EASY
IMPORTANT

The breakdown that occurs in reverse bias conditions in a narrow junction diode is known as

MEDIUM
IMPORTANT

Pick out the incorrect statement regarding reverse saturation current in the p-n junction diode.

EASY
IMPORTANT

 The reverse saturation current in a p-n junction diode is due to only the;

EASY
IMPORTANT

Is reverse saturation current dependent upon the change in temperature ? Explain.​

MEDIUM
IMPORTANT

What is reverse saturation current in diode ? Why it is temperature dependent ?

EASY
IMPORTANT

When the p-n junction diode is reverse biased, the thickness of the depletion layer;

EASY
IMPORTANT

In a p-n junction diode;

EASY
IMPORTANT

Reverse bias applied to a p-n junction diode.

MEDIUM
IMPORTANT

The reading of the ammeter for a silicon diode in the given circuit is:

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MEDIUM
IMPORTANT

Currents flowing in each of the following circuits A and B respectively are

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EASY
IMPORTANT

Identify the semiconductor devices whose characteristics are given below, in the order a, b, c, (d):

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EASY
IMPORTANT

The forward-biased diode connection among the following is:

EASY
IMPORTANT

In case of p-n junction diode, the width of depletion region is

HARD
IMPORTANT

Find VAB for the circuit given below.

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MEDIUM
IMPORTANT

What is the current through an ideal PN-Junction diode shown in the figure below:-

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MEDIUM
IMPORTANT

Two identical PN junction are joined in series with a battery shown below. For which potential drop is same.

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