GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 419 - 422 of 1076

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Question 419

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

An exact position of Fermi level in an n-type semiconductor is (December)

Choices

Choice (4)Response

a.

b.

c.

d.

Question 420

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

RAL is an example of (December)

Choices

Choice (4)Response

a.

Immediate Addressing mode

b.

Register Indirect Addressing mode

c.

Register addressing mode

d.

Implicit Addressing mode

Question 421

Appeared in Year: 2018 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

A necessary and sufficient condition for a feedback system to be stable is that all the poles of the system transfer function have negative real parts. (December)

Reason(Ꭱ)

To obtain a bounded response, the poles of the closed loop system must be in the left half portion of the splan.

Choices

Choice (4)Response

a.

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

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 422

Appeared in Year: 2018 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

A short linear conductor is often called a short dipole. (December)

Reason(Ꭱ)

In a short dipole, the length is much lesser than the wavelength and the diameter of the dipole is also much lesser than the length.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is true but Ꭱ is false

c.

Ꭺ is false but Ꭱ is true

d.

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

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