NTA-NET (Based on NTA-UGC) Electronic Science (Paper-II): Questions 69 - 74 of 132

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Question number: 69

» Solid State Device and Fabrication » Diode Equation and Diode Equivalent Circuit

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MCQ▾

Question

A Ge diode displays a forward voltage of 0.5V at 15mA in room temperature. Find the reverse saturation current.

Choices

Choice (4) Response

a.

0.667 µA

b.

6.67 mA

c.

0.667 mA

d.

6.67 µA

Question number: 70

» Instrumentation » pH

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Appeared in Year: 2018

MCQ▾

Question

If h is the hydrogen ion concentration in gm/l, the pH value is given as: (July)

Choices

Choice (4) Response

a.

log

b.

–log h

c.

log

d.

log h

Question number: 71

» Microwave Communications » Antenna Parameters

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Appeared in Year: 2018

MCQ▾

Question

The loading is sometimes used with an antenna in order to increase the: (July)

Choices

Choice (4) Response

a.

Bandwidth

b.

Effective height

c.

Input capacitance

d.

Beam width

Question number: 72

» Computer Programming Languages » Operators and Its Precedence

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Appeared in Year: 2018

MCQ▾

Question

Consider the following expression in ‘C’

Which evaluates to: (July)

Choices

Choice (4) Response

a.

14

b.

10

c.

16

d.

8

Question number: 73

» Power Devices » Triggering Circuits » For SET

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Appeared in Year: 2018

MCQ▾

Question

The capacitor microphone is widely used for precision measurements because it has:

1) Good frequency response

2) Excellent linearity

3) Large dynamic pressure range

Which of the above are correct? (July)

Choices

Choice (4) Response

a.

1), 2) and 3)

b.

1) and 3) only

c.

2) and 3) only

d.

1) and 2) only

Question number: 74

» Networks and Theorems » Two - Port Network Parameters

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Appeared in Year: 2018

Match List-Ⅰ List-Ⅱ▾

Question

Match the following Lists: (July)

List-Ⅰ (Column-I) List-Ⅱ (Column-II)

(A)

Short circuit parameters

(i)

(B)

Open circuit parameters

(ii)

(C)

Hybrid Parameters

(iii)

(D)

Transmission parameter

(iv)

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iii)
  • (ii)
  • (i)
  • (iv)

b.

  • (ii)
  • (i)
  • (iv)
  • (iii)

c.

  • (i)
  • (ii)
  • (iii)
  • (iv)

d.

  • (iv)
  • (ii)
  • (i)
  • (iii)

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