HARD
12th ICSE
IMPORTANT
Earn 100

Draw energy band diagrams for metals, insulators and semiconductors.

Important Questions on Semiconductor Electronics

HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 4
Explain the terms intrinsic and extrinsic conductivity.
MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 5

What is the difference between electron current and hole current?

HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 6
What are the characteristic properties of an intrinsic semiconductor?
MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 7
How does the resistance of metallic conductors change with temperature?
MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 8

Explain, why the electrical conductivity of a pure semiconductor increases on heating.

MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 9
Explain the effect of temperature-variation on the resistivity of pure semiconductors.
MEDIUM
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 10
Why is a semiconductor damaged when a strong current is passed through it?
HARD
12th ICSE
IMPORTANT
ISC Physics Class 12, Part-2>Chapter 18 - Semiconductor Electronics>QUESTIONS>Q 11

What is meant by the term ‘doping’ of an intrinsic semiconductor? How does it affect the conductivity of a semiconductor?