Electromagnetic Theory [GATE (Graduate Aptitude Test in Engineering) Physics (PE)]: Questions 71 - 75 of 276

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Question 71

Appeared in Year: 2011

Question MCQ▾

Which of the following expressions for a vector potential DOES NOT represent a uniform magnetic field of magnitude along direction?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 72

Appeared in Year: 2011

Question MCQ▾

A uniform surface current is flowing in the positive direction over an infinite sheet lying in plane. The direction of the magnetic field is –

Choices

Choice (4)Response

a.

Along for and along for

b.

Along for and along for

c.

Along for and along for

d.

Along for and along for

Edit

Question 73

Appeared in Year: 2013

Question MCQ▾

Interference fringes are seen at an observation plane , by the superposition of two plane waves and , where and are real amplitudes. The condition for interference maximum is –

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 74

Appeared in Year: 2013

Question MCQ▾

A charge distribution has the charge density given by . For this charge distribution the electric field at

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 75

Appeared in Year: 2011

Question MCQ▾

Two charges and are placed along the axes in front of a grounded, infinite conducting plane, as shown in the figure. They are located respectively at a distance of and from the plane. The force acting on the charge is

Two Charges Placed Along X - Axes

Choices

Choice (4)Response

a.

b.

c.

d.

Edit