HARD
12th ICSE
IMPORTANT
Earn 100

What is a conduction band?

Important Questions on Semiconductor Electronics

HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 3
What is meant by energy gap in solids?
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 4
How does the energy gap in an intrinsic semiconductor vary, when doped with a pentavalent impurity?
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 5
Distinguish between a metal and an insulator on the basis of energy bands.
MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 6
Mark conductors, insulators and semiconductors among germanium, tungsten, air and silver.
MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 7
What is the order of energy gap in a semiconductor?
MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 8

Why is Ge preferred over Si for making semiconductor devices?

MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 9
What are intrinsic and extrinsic semiconductors?
EASY
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 10

Name two impurities that will make pure Si an extrinsic semiconductor.