Electromagnetic Theory [GATE (Graduate Aptitude Test in Engineering) Physics]: Questions 33 - 38 of 88

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Question 33

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 34

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.

Passage

A plane electromagnetic wave has the magnetic field given by,

where, is the wave number and are the Cartesian unit vector in directions, respectively.

Question 35 (1 of 2 Based on Passage)

Appeared in Year: 2011

Question

MCQ▾

The electric field corresponding to the above wave is given by –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 36 (2 of 2 Based on Passage)

Electromagnetic Theory

Appeared in Year: 2011

Question

MCQ▾

The average Poynting vector is given by,

Choices

Choice (4)Response

a.

b.

c.

d.

Question 37

Appeared in Year: 2010

Question

MCQ▾

Two magnetic dipole of magnitude each are placed in a plane as shown. The energy of interaction is given by –

Two Magnetic Dipoles

Choices

Choice (4)Response

a.

b.

c.

d.

Zero

Question 38

Appeared in Year: 2010

Question

MCQ▾

Consider a conducting loop of radius and total loop resistance placed in a region with a magnetic field thereby enclosing a flux . The loop is connected to an electronic circuit as shown, the capacitor being initially unchanged.

A Loop Placed in Magnetic Field

If the loop is pulled out of one region of one magnetic field at a constant speed , the final output voltage is independent of –

Choices

Choice (4)Response

a.

V

b.

c.

R

d.

Developed by: