Electromagnetic TheoryElectrostatics: Gauss's Law and Its Applications (CSIR Physical Sciences): Questions 4  7 of 11
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Question number: 4
» Electromagnetic Theory » Electrostatics: Gauss's Law and Its Applications
Appeared in Year: 2012
Question
Four charges (two + q and two –q) are kept fixed at the four vertices of a square of side a as shown
At the point P which is at a distance R from the centre , the potential is proportional to – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 5
» Electromagnetic Theory » Electrostatics: Gauss's Law and Its Applications
Appeared in Year: 2011
Question
Four equal point charges are kept fixed at the four vertices of a square. How many neutral points i. e. , points where the electric field vanishes will be found inside the square? (December)
Choices
Choice (4)  Response  

a.  4 

b.  3 

c.  7 

d.  5 

Question number: 6
» Electromagnetic Theory » Electrostatics: Gauss's Law and Its Applications
Appeared in Year: 2012
Question
A point charge of mass m is kept at a distance d below a grounded infinite conducting sheet which lies in the xy – plane. For what value of d will the charge remains stationary? (December)
Choices
Choice (4)  Response  

a. 


b.  There is no finite value of 

c. 


d. 


Question number: 7
» Electromagnetic Theory » Electrostatics: Gauss's Law and Its Applications
Appeared in Year: 2014
Question
The electrostatic line of force due to a system of four point charges is sketched below.
At a large distance , the leading asymptotic behaviour of the electrostatic potential is proportional to – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

