A square loop of side 'l' having uniform linear charge density '`lambda`' is placed in 'xy' plane as shown in the figure. There is a non uniform electric field `vec E= a/l (x+l) hat i` where a is a constant. Then resultant electric force on the loop if `l=10cm, a=2N//C` and charge density `lambda = 2muC//m` is:

A square loop of side 'l' each side having uniform linear charge density 'lambda' is placed in 'xy' lane as shown in the figure There exists a non uniform electric field vec(E)=a/l(x+l)hat(i) where a and l are constants and x is the position of the point from origin along x-axis. Find the resultant electric force on the loop (in Newtons) if l=10 cm lambda=20 muC//m and a=5 xx 10^(5) N//C .

A wire loop carrying current I is placed in the x-y plane as shown in the figure. If an external uniform magnetic field vec(B)=B hat(i) is switched on, then the torque acting on the loop is

A wire loop carrying current I is placed in the x-y plane as shown in the figure. If an external uniform magnetic field vec(B)=B hat(i) is switched on, then the torque acting on the loop is

Figure shows a long wire having uniform charge density lambda as shown in figure. Calculate electric field intensity at point P.

Figure shows a long wire having uniform charge density lambda as shown in figure. Calculate electric field intensity at point P.

An insulating rod of uniform linear charge density A and uniform linear mass density mu lies on a smooth table whose surface is xy -plane. A uniform electric field E is switched on in the space:

A thin wire of length L and uniform linear mass density rho is bent into a circular loop with centre at O as shown in the figure. What is the moment of inertia of the loop anout the axis XX'?

A very long charged wire (lying in the xy plane ) which is having a linear charge density lambda is having one of its end at a point P as shown in figure . What is electric field intensity at point Q :

Two infinitely large charged planes having uniform surface change density + sigma and - sigma are placed along xy plane and yz plane resp as shown in figure. Then nature of electric lines of force in xz plane is given by