Semiconductor Devices Test

Result

Semiconductor Devices Test - 106

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Weekly Quiz Competition

Question 1
4 / -1

A full wave rectifier circuit along with the input and output voltages is shown in the figure
The contribution to output voltage from diode –2 is

A
A, C

B
B, D

C
B, C

D
A, D
Question 2
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 3
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 4
4 / -1

The given figure shows the wave forms for two inputs A and B and that for the output Y of a logic circuit. The logic circuit is

A
An AND gate

B
An OR gate

C
A NAND gate

D
An NOT gate

Solution
Question 5
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 6
4 / -1

The mutual characteristic of triode is

A

B

C

D

Solution
Question 7
4 / -1

The plate characteristic curve of a diode in space charge limited region is as shown in the figure. The slope of curve at point P is 5.0 mA/V. The static plate resistance of diode will be

A
111.1 Ω

B
222.2 Ω

C
333.3 Ω

D
444.4 Ω

Solution
Question 8
4 / -1

The frequency response curve of RC coupled amplifier is shown in figure. The band width of the amplifier will be

A

B

C

D

Solution
Question 9
4 / -1

The figure represents variation of triode parameter (µ or r_p or g_m) with the plate current. The correct variation of μ and r_p are given, respectively by the curves

A
A and B

B
B and C

C
A and C

D
None of these

Solution
Question 10
4 / -1

The mutual characteristic curves of a triode are as shown in figure. The cut off voltage for the triode is

A
0 V

B
2 V

C
–4 V

D
6 V

Solution