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. |
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 |
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. |
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. |
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
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |