What is meant by forbidden energy gap ?...

What is meant by forbidden energy gap ?

Text Solution

Verified by Experts

The band separating the valence band and the conduction band is called forbidden gap.

Doubtnut Promotions Banner Desktop Dark

Doubtnut Promotions Banner Mobile Dark

|

Topper's Solved these Questions

SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS
NEW JOYTHI PUBLICATION|Exercise CONTINUOUS EVALUATION (ASSIGNMENT)|7 Videos
SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS
NEW JOYTHI PUBLICATION|Exercise PREVIOUS YEAR QUESTIONS|3 Videos
SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS
NEW JOYTHI PUBLICATION|Exercise PRACTICE PROBLEMS FOR SELF ASSESSMENT|8 Videos
RAY OPTICS AND OPTICAL INSTRUMENTS
NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|26 Videos
WAVE OPTICS
NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|17 Videos

Similar Questions

Explore conceptually related problems

What is forbidden energy gap?

What is meant by internal energy?

What is meant by red tide?

What is meant by food web?

What is meant by potential energy?

What is meant by potential energy?

What is meant by kinetic energy?

What is meant by latitude?

What is meant by colloid ?

What is meant by thermal energy ?

NEW JOYTHI PUBLICATION-SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS -EVALUATION QUESTIONS AND ANSWER

What are the characteristics of a hole ?
03:31
|
Copy and complete the following block diagram .
00:43
|
What is meant by forbidden energy gap ?
00:40
|
What do you mean by fermi energy ?
01:03
|
What is depletion region in p-n junction ?
02:48
|
What will happen if both , emitter and collector of a transistor are r...
06:16
|
How does conductivity of a semiconductor increase ?
Text Solution
|
The forward bias of a diode is wrongly given above . a. Redraw the a...
Text Solution
|
Classify the following into conductors , insulators and semi conductor...
Text Solution
|
The magnitude of potential barrier of germanium is about 0.3 V . a W...
03:21
|
a. What type of biasting is used here ? b. What happens to the deple...
05:09
|
Why is a NOT gate known as an inverter ?
02:28
|
a. What type of biasting is used here ? b. What happens to the deple...
05:10
|
The above figures represent a p-n-p transistor and an n-p-n transistor...
05:21
|
In the normal working of a transistor , the emitter is forward biased ...
07:32
|
A transistor is being used as a common emitter amplifier . a What i...
05:37
|
How does the conductivity of a semiconductor change with rise in tempe...
01:35
|
Why are Ge and Si semiconductors ?
03:20
|
Why is a common emitter amplifier preferred over a common base amplifi...
03:13
|
a . What do you observe when the circuit is closed ? b. What will ha...
06:11
|