GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 346 - 348 of 1076

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Question 346

Differential and Integral Forms and Their Interpretation

Appeared in Year: 2018 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

The magnetic flux per unit length through a loop of small length is called the magnetic flux density. (July)

Reason(Ꭱ)

The direction of magnetic flux density is taken as the normal to the plane of the loop when oriented to enclose maximum flux.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is true but Ꭱ is false

c.

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

d.

Ꭺ is false but Ꭱ is true

Question 347

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

The following semiconductor material are given

1) C

2) Si

3) GaAs

4) InP

Arrange the above in the increasing order of their Hole Mobility at K.

(July)

Choices

Choice (4)Response

a.

4) , 3) , 2) , 1)

b.

3) , 4) , 1) , 2)

c.

2) , 3) , 4) , 1)

d.

1) , 2) , 3) , 4)

Question 348

Appeared in Year: 2018 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

The tunnel diode shows the negative differential resistance between peak voltage and valley voltage. (July)

Reason(Ꭱ)

In a tunnel diode, for a voltage larger than valley voltage, the current increases exponentially.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is true but Ꭱ is false

c.

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

d.

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

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