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Forward and Reverse Biasing Notes | Study Additional Documents and Tests for JEE - JEE

Document Description: Forward and Reverse Biasing for JEE 2022 is part of Documents for Additional Documents and Tests for JEE preparation. The notes and questions for Forward and Reverse Biasing have been prepared according to the JEE exam syllabus. Information about Forward and Reverse Biasing covers topics like and Forward and Reverse Biasing Example, for JEE 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Forward and Reverse Biasing.

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(i) No current flows in the junction diode without an external battery. It is connected to a battery in two different ways. Hence two different bias are possible in junction diode.

(a) Forward bias            
(b) Reverse bias

S.No.Forward biasReverse bias
1.

The P-region of Junction diode Is connected to positive terminal of battery and N-region is connected to negative terminal of battery.

Forward and Reverse Biasing Notes | Study Additional Documents and Tests for JEE - JEE

The P-region Is connected to negative terminal and N-region is connected to positive terminal of the battery.

Forward and Reverse Biasing Notes | Study Additional Documents and Tests for JEE - JEE

2.

In this the width of depletion layer decreases

Forward and Reverse Biasing Notes | Study Additional Documents and Tests for JEE - JEE

In this the width of depletion layer increases

Forward and Reverse Biasing Notes | Study Additional Documents and Tests for JEE - JEE

3.

Current flows in it due to majority electrons and majority holes and hence high current (mA) flows in it.

Forward and Reverse Biasing Notes | Study Additional Documents and Tests for JEE - JEE

The direction of current in it is from P to N.

Current flows in it due to minority electrons and minority holes and hence negligible current (in μA) flows in it.

Forward and Reverse Biasing Notes | Study Additional Documents and Tests for JEE - JEE

Direction of current s from N to P

4.The junction resistance is lowThe junction resistance is high
5.

Curve between forward voltage and forward current

Forward and Reverse Biasing Notes | Study Additional Documents and Tests for JEE - JEE

Curve between reverse voltage and reverse current

Forward and Reverse Biasing Notes | Study Additional Documents and Tests for JEE - JEE

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