GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 495 - 499 of 1076

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Question 495

Characteristic Impedance

Appeared in Year: 2013 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

TEM waves exist in a waveguide. (June)

Reason(Ꭱ)

Phase velocity and wave impedance for TEM waves are independent of the frequency of the waves.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Ꭺ is false but Ꭱ is true

d.

Ꭺ is true but Ꭱ is false

Question 496

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

What is SIM? (June)

Choices

Choice (4)Response

a.

Sorting Interrupt Mask

b.

Set Interrupt Mask

c.

Select Interrupt Mask

d.

Start Instruction Mode

Question 497

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

In intrinsic semiconductor (June)

Choices

Choice (4)Response

a.

The electron density is thrice the hole density

b.

The electron density is twice the hole density

c.

The electron density is same as the hole density

d.

The electron density is square root of the hole density

Question 498

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

PN junction diode can be used as a (June)

Choices

Choice (4)Response

a.

Rectifier

b.

Insulator

c.

Oscillator

d.

Amplifier

Question 499

Appeared in Year: 2013 (UGC-NET)

Question

Match List-Ⅰ List-Ⅱ▾

Match the following lists: (June)

List-Ⅰ (Column-I)List-Ⅱ (Column-II)
(A)

SCR

(i)

dc drive control

(B)

Triac

(ii)

Induction motor control

(C)

Cycloconverter

(iii)

Unidirectional

(D)

Chopper

(iv)

Bidirectional

Choices

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

a.

  • (i)
  • (iv)
  • (iii)
  • (ii)

b.

  • (ii)
  • (iv)
  • (i)
  • (iii)

c.

  • (iii)
  • (iv)
  • (ii)
  • (i)

d.

  • (ii)
  • (iii)
  • (i)
  • (iv)

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