Semiconductor Devices Test

Result

Semiconductor Devices Test - 90

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

In order to forward bias a PN junction, the negativeterminal of battery is connected to

A
P–side

B
Either P–side or N–side

C
N–side

D
None of these
Question 2
4 / -1

The diode shown in the circuit is a silicon diode. The potential difference between the points A and B will be

A
6 V

B
0.6 V

C
0.7 V

D
0 V
Question 3
4 / -1

Zener breakdown takes place if

A
Doped impurity is low

B
Doped impurity is high

C
Less impurity in N–part

D
Less impurity in P-type
Question 4
4 / -1

Consider the following statements A and B and identify the correct choice of the given answers (A) A zener diode is always connected in reverse bias (B) The potential barrier of a PN junction lies between 0.1 to 0.3 V approximately

A
A and B are correct

B
A and B are wrong

C
A is correct but B is wrong

D
A is wrong but B is correct
Question 5
4 / -1

The correct symbol for zener diode is

A

B

C

D
Question 6
4 / -1

No bias is applied to a P — N junction, then the current

A
Is zero because the number of charge carriers flowing on both sides is same

B
Is zero because the charge carriers do not move

C
Is non-zero

D
None of the above
Question 7
4 / -1

Zener diode is used as

A
Half wave rectifier

B
Full wave rectifier

C
Ac voltage stabilizer

D
Dc voltage stabilizer
Question 8
4 / -1

The width of forbidden gap in silicon crystal is 1.1 eV. When the crystal is converted into a N–type semiconductor the distance of Fermi level from conduction band is

A
Greater than 0.55 eV

B
Equal to 0.55 eV

C
Lesser than 0.55 eV

D
Equal to 1.1 eV
Question 9
4 / -1

In P – N junction, the barrier potential offers resistance to

A
Free electrons in N region and holes in P region

B
Free electrons in P region and holes in N region

C
Only free electrons in N region

D
Only holes in P region
Question 10
4 / -1

Symbolic representation of photodiode is

A

B

C

D