GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 485 - 489 of 1076

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Question 485

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

The data can be transmitted by following means: (June)

1. Coaxial cables

2. MMF

3. SMF

4. Twisted wire cable

The correct sequence in the increasing order of Bandwidth is

Choices

Choice (4)Response

a.

1,4, 2,3

b.

2,3, 1,4

c.

4,1, 2,3

d.

4,1, 3,2

Question 486

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Zener diode is a (June)

Choices

Choice (4)Response

a.

Forward biased diode

b.

Constant current source

c.

Reverse biased diode

d.

Variable voltage source

Question 487

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Consider the following devices: (June)

1. BJT in CB mode

2. BJT in CE mode

3. JFET

4. MOSFET

The correct sequence of these devices in increasing order of their impedance is

Choices

Choice (4)Response

a.

1,2, 3,4

b.

1,2, 4,3

c.

2,1, 4,3

d.

2,1, 3,4

Question 488

Gain and Directivity

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Which antenna gets circularly polarized? (June)

Choices

Choice (4)Response

a.

Helical

b.

Yagi-Uda

c.

Parabolic

d.

Dipole

Question 489

Superposition, Thevenin and Norton's, Maximum Power Transfer

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Norton՚s equivalent form in any complex impedance circuit consists of (June)

Choices

Choice (4)Response

a.

An equivalent current source in parallel with an equivalent resistance.

b.

An equivalent voltage source in series with equivalent impedance.

c.

An equivalent voltage source in series with an equivalent resistance.

d.

An equivalent current source in parallel with equivalent impedance.

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