Electronic Devices (NEET Physics): Questions 5 - 8 of 65

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Question number: 5

» Electronic Devices » Semiconductor Diode

MCQ▾

Question

The mobility of free electrons is more that the mobility of holes because,

Choices

Choice (4) Response

a.

They require less energy to continue their motion.

b.

They carry negative charge

c.

They are of smaller size

d.

They suffer less number of collisions

Question number: 6

» Electronic Devices » Zener Diode

MCQ▾

Question

The correct symbol for Zener diode is,

Choices

Choice (4) Response

a.

An electric symbol (Choice A)

An Electric Symbol (Choice A)

In figure a symbol for electric element is described

b.

 An electric symbol (Choice B)

an Electric Symbol (Choice B)

In figure a symbol for electric element is described

c.

 An electric symbol (Choice C)

an Electric Symbol (Choice C)

In figure a symbol for electric element is described

d.

An electric symbol (Choice D)

An Electric Symbol (Choice D)

In figure a symbol for electric element is described

Question number: 7

» Electronic Devices » Semiconductors

MCQ▾

Question

The reverse biasing in a PN junction diode

Choices

Choice (4) Response

a.

Increases the number of minority charge carriers

b.

Decreases the potential barrier

c.

Increases the number of majority charge carriers

d.

Increases the potential barrier

Question number: 8

» Electronic Devices » Semiconductor Diode

MCQ▾

Question

The dominant mechanisms for motion of charge carriers in forward and reverse biased silicon P-N junctions are

Choices

Choice (4) Response

a.

Drift in forward bias, diffusion in reverse bias

b.

Drift in both forward and reverse bias

c.

Diffusion in forward bias, drift in reverse bias

d.

Diffusion in both forward and reverse bias

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