GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 732 - 736 of 1076

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Question 732

Characteristic Impedance

Appeared in Year: 2010

Question

MCQ▾

A transmission line has a characteristic impedance of 50Ω and a resistance of 0.1 Ω /m. if the line is distortion less, the attenuation constant (in ) is

Choices

Choice (4)Response

a.

500

b.

5

c.

0.002

d.

0.014

Passage

The silicon sample with unit cross-sectional area shown below is in thermal equilibrium. The following information is given: , electronic charge , thermal voltage and electron mobility .

The Silicon Sample with Unit Cross-Sectional Area

Question 733 (1 of 2 Based on Passage)

Diffusion Current, Drift Current, Mobility and Resistivity

Appeared in Year: 2010

Question

MCQ▾

The magnitude of the electron of the electron drift current density at x = 0.5 μm is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 734 (2 of 2 Based on Passage)

Diffusion Current, Drift Current, Mobility and Resistivity

Appeared in Year: 2010

Question

MCQ▾

The magnitude of the electric field at is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 735

Appeared in Year: 2010

Question

MCQ▾

For the two-port network shown below, the short-circuit admittance parameter matrix is

The Short-Circuit Admittance Parameter Matrix

Choices

Choice (4)Response

a.

b.

c.

d.

Question 736

Appeared in Year: 2019

Question

MCQ▾

Which one of the following options describes correctly the equilibrium band diagram at T = 300 K of a Silicon configuration shown in the figure? (Carry One Mark Each)

Describes Correctly the Equilibrium Band Diagram
pn

Choices

Choice (4)Response

a.

Describes Correctly the Equilibrium Band Diagram

b.

Describes Correctly the Equilibrium Band Diagram

c.

Describes Correctly the Equilibrium Band Diagram

d.

Describes Correctly the Equilibrium Band Diagram

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