Semiconductor Devices Test

Result

Semiconductor Devices Test - 72

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Weekly Quiz Competition

Question 1
4 / -1

The curve between charge density and distance near P–N junction will be

A

B

C

D

Solution
Question 2
4 / -1

The resistance of a germanium junction diode whose V — I is shown in figure is (V_k = 0.3V )

A
5 kΩ

B
0.2 kΩ

C
2.3 kΩ

D

Solution
Question 3
4 / -1

The graph given below represents the I — V characteristics of a zener diode. Which part of the characteristics curve is most relevant for its operation as a voltage regulator?

A
ab

B
bc

C
cd

D
de

Solution
Question 4
4 / -1

The output in the circuit of figure is taken across a capacitor. It is as shown in figure

A

B

C

D

Solution
Question 5
4 / -1

A source voltage of 8 V drives the diode in fig. through a current-limiting resistor of 100 ohm. Then, the magnitude of the slope load line on the V – I characteristics of the diode is

A
0.01

B
100

C
0.08

D
12.5

Solution
Question 6
4 / -1

The i – V characteristic of a P – N junction diode is shown below. The approximate dynamic resistance of the P – N junction when a forward bias of 2 volt is applied

A
1 Ω

B
0.25 Ω

C
0.5 Ω

D
5 Ω

Solution
Question 7
4 / -1

In a negative logic the following wave form corresponds to the

A
0000000000

B
0101101000

C
1111111111

D
1010010111

Solution
Question 8
4 / -1

The variation of anode current in a triode corresponding to a change in grid potential at three different values of the plate potential is shown in the diagram. The mutual conductance of the triode is

A
2.5 m mho

B
5.0 m mho

C
7.5 m mho

D
10.0 m mho

Solution
Question 9
4 / -1

The point representing the cut off grid voltage on the mutual characteristic of triode is

A
S

B
R

C
O

D
P

Solution
Question 10
4 / -1

A

B

C

D

Solution