Question
Work required to set up the four charge configuration (as shown in the figure) is
The correct answer is:
Work is required to set up the four charge configuration
Related Questions to study
The points resembling equal potentials are
The points resembling equal potentials are
In the following diagram the work done in moving a point charge from point P to point A, B and C is respectively as 
then
In the following diagram the work done in moving a point charge from point P to point A, B and C is respectively as then
Three charges 
and 
are placed at the vertices of an isosceles right angle triangle as in the figure. The net electrostatic potential energy is zero if 
is equal to
Three charges and are placed at the vertices of an isosceles right angle triangle as in the figure. The net electrostatic potential energy is zero if is equal to
A hollow conducting sphere is placed in an electric field produced by a point charge placed at P as shown in figure. 
be the potentials at points A, B and C respectively. Then
A hollow conducting sphere is placed in an electric field produced by a point charge placed at P as shown in figure. be the potentials at points A, B and C respectively. Then
The figure shows electric potential V as a function of 
. Rank the four regions according to the magnitude of -component of the electric field E within them, greatest first
The figure shows electric potential V as a function of . Rank the four regions according to the magnitude of -component of the electric field E within them, greatest first
The general solution of the equation 
is
The general solution of the equation is
Solution of 
is given by
Solution of is given by
Equation of the curve passing through (3, 9) which satisfies the differential equation 
is
Equation of the curve passing through (3, 9) which satisfies the differential equation is
If 
and f(1) = 2, then f(3) =
If and f(1) = 2, then f(3) =
The degree and order of the differential equation of all tangent lines to the parabola x2 = 4y is:
The degree and order of the differential equation of all tangent lines to the parabola x2 = 4y is:
The differential equation of all non-horizontal lines in a plane is :
The differential equation of all non-horizontal lines in a plane is :
The differential equation of all non-vertical lines in a plane is :
The differential equation of all non-vertical lines in a plane is :
The differential equation of all conics with the coordinate axes, is of order
The differential equation of all conics with the coordinate axes, is of order
If the algebraic sum of distances of points (2, 1) (3, 2) and (-4, 7) from the line y = mx + c is zero, then this line will always pass through a fixed point whose coordinate is
If the algebraic sum of distances of points (2, 1) (3, 2) and (-4, 7) from the line y = mx + c is zero, then this line will always pass through a fixed point whose coordinate is
(x being the distance described). The time taken by the particle to describe 99 meters is:
