Electromagnetics-Electrostatics Maxwell's Equations [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 1 - 3 of 23

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Question 1

Electromagnetics Electrostatics Maxwell's Equations Differential and Integral Forms and Their Interpretation

Appeared in Year: 2018

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

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Question 2

Electromagnetics Electrostatics Maxwell's Equations Differential and Integral Forms and Their Interpretation

Appeared in Year: 2016

Question Assertion-Reason▾

Assertion(Ꭺ)

In Electromagnetics, materials are divided roughly into two classes, i.e.. conductors and dielectrics or insulators.

Reason(Ꭱ)

In Maxwell equation, σ/ω decides, whether the medium is a good conductor or a dielectric.

Choices

Choice (4)		Response
a.	Both Ꭺ and Ꭱ are false
b.	Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ
c.	Ꭺ is false but Ꭱ is true
d.	Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

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Question 3

Electromagnetics Electrostatics Maxwell's Equations Wave Equation

Question Match List-Ⅰ List-Ⅱ▾

Match the following:

List-Ⅰ (Column-I)	List-Ⅱ (Column-I)
(A) Hybrid Mode	(i) No electric field in the direction of propagation
(B) TE Mode	(ii) No electric, no magnetic field in the direction of propagation
(C) TM Mode	(iii) No magnetic field in the direction of propagation
(D) TEM Mode	(iv) Both electric and magnetic field present in the direction of propagation

Choices

Choice (4)		Response
	(A) (B) (C) (D)
a.	(iii) (ii) (iv) (i)
b.	(iv) (i) (iii) (ii)
c.	(iv) (i) (ii) (iii)
d.	(iv) (iii) (ii) (i)

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