Semiconductors

Question 1

Free Electrons

Answer 1

n

Question 2

holes are what subscripts

Answer 2

p

Question 3

Concentration of donor atoms

Answer 3

Nd

Question 4

Electrons are what kind of carriers? (In n-type silicon

Answer 4

Majority

Question 5

Holes are what kind of carriers? (In n-type silicon)

Answer 5

Minority

Question 6

Accepting doping concentrations

Answer 6

Na

Question 7

When an electrical field E is established in a semiconductor crystal, where do the holes go?

Answer 7

go towards the electric field

Question 8

When an electrical field E is established in a semiconductor crystal, where do the free electrons go?

Answer 8

the opposite direction of the electric field

Question 9

Hole mobility

Answer 9

up

Question 10

electron mobility

Answer 10

un

Question 11

concentrations of holes

Answer 11

p

Question 12

free electrons

Answer 12

n

Question 13

Drift current is which direction of the pn junction?

Answer 13

goes from n side to p side

Question 14

Drift current

Answer 14

Is

Question 15

Drift current is carried by thermally generated?

Answer 15

Minority Carriers

Question 16

If the pn junction is an open circuit the two opposite currents across the junction is?

Answer 16

Equal in magnitude (Id = Is

Question 17

Vo is the?

Answer 17

junction built-in voltage