General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 10

MEDIUM

SBI CBO

IMPORTANT

Earn 100

Carbon, silicon and germanium have four valence electrons each. These are characterised by valence and conduction bands separated by energy band gap respectively equal to $(E_{g})_{C}$ , $(E_{g})_{S i}$ and $(E_{g})_{G e}$ . Which of the following is true from the given options?

50% studentsanswered this correctly

Important Questions on Semiconductor Electronics

EASY

SBI CBO

IMPORTANT

General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 11

In an unbiased p-n junction, holes diffuse from the p-region to n-region because:

HARD

SBI CBO

IMPORTANT

General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 12

For a transistor amplifier, the voltage gain _____.

EASY

SBI CBO

IMPORTANT

General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 13

p-n junction diode works as a insulator, if connected _____.

EASY

SBI CBO

IMPORTANT

General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 15

Which of the statements is true for p-type semiconductors?

EASY

SBI CBO

IMPORTANT

General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 16

When a forward bias is applied to a p-n junction, it:

EASY

SBI CBO

IMPORTANT

General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 17

The potential barrier in the depletion layer is due to _____.

EASY

SBI CBO

IMPORTANT

General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 18

Zener diode is used as:

EASY

SBI CBO

IMPORTANT

General Science for Competitive Exams>Chapter 8 - Semiconductor Electronics>EXERCISE>Q 19

For a transistor amplifier, the voltage gain _____.