Electronic Devices-Semiconductor Diode (NEET Physics): Questions 6 - 10 of 14

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Passage

A student performs an experiment for drawing the static characteristic curve of a triode valve in the laboratory. The following data were obtained from the linear portion of the curves:

Data obtained from the linear portion of curve

List of data obtaining from liner portion of curve of static characteristic curve of a triode

Grid voltage V g (Volt)

-2.0

-3.5

-2.0

Plate voltage V p (Volt)

180

180

120

Plate current I P (mA)

15

7

10

Question number: 6 (2 of 3 Based on Passage) Show Passage

» Electronic Devices » Semiconductor Diode

MCQ▾

Question

Calculate the mutual conductance (g m) of the triode valve?

Choices

Choice (4) Response
a.

5.00 × 10 -3 ohm -1

b.

5.33 × 10 -3 ohm -1

c.

4.32 × 10 -3 ohm -1

d.

53.3 × 10 -3 ohm -1

Question number: 7 (3 of 3 Based on Passage) Show Passage

» Electronic Devices » Semiconductor Diode

MCQ▾

Question

Calculate the amplification factor μ of the triode valve?

Choices

Choice (4) Response
a.

62

b.

54

c.

52

d.

64

Question number: 8

» Electronic Devices » Semiconductor Diode

MCQ▾

Question

Two PN-j unctions can be connected in series by three different methods as shown in the figure. If the potential difference in the junctions is the same, then the correct connections will be

Two PN junctions connected in series.

Two PN Junctions Connected in Series.

In figure two PN junctions are connected in series by three different methods.

Choices

Choice (4) Response
a.

In the circuit (1) and (2)

b.

In the circuit (2) and (3)

c.

In the circuit (1) and (3)

d.

Only in the circuit (1)

Question number: 9

» Electronic Devices » Semiconductor Diode

MCQ▾

Question

In the given figure, which of the diodes are forward biased?

Circuit diagram consists of PN- junction diode and resistor

Circuit Diagram Consists of PN- Junction Diode and Resistor

In circuit a PN- junction diode is connected with a resistor in series.

Select the correct answers and mark it according to the following codes:

Codes:

Choices

Choice (4) Response
a.

1, 2 and 3 are correct

b.

1 and 2 are correct

c.

2 and 4 are correct

d.

1 and 3 are correct

Question number: 10

» Electronic Devices » Semiconductor Diode

MCQ▾

Question

In a triclinic crystal system,

Choices

Choice (4) Response
a.

a=b=c,αβγ

b.

a=b=c,α=β=γ

c.

abc,αβ=γ

d.

abc,αβγ

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