Home
Class 12
PHYSICS
An electric field 'E' whose direction is...

An electric field 'E' whose direction is radially outward varies as distance from origin 'r' as shown in the graph E is taken as positive if its direction is away from the origin. Then the work done by electric field on a 2 C charge if it is taken from `(1,1,0)` to `(3,0,0)` is :

A

`20 (3 + sqrt(2))J`

B

`-60 J`

C

`60 J`

D

`20 (3- sqrt(2))J`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC POTENTIAL

    CENGAGE PHYSICS ENGLISH|Exercise DPP 3.2|15 Videos

  • ELECTRIC POTENTIAL

    CENGAGE PHYSICS ENGLISH|Exercise DPP 3.3|20 Videos

  • ELECTRIC POTENTIAL

    CENGAGE PHYSICS ENGLISH|Exercise Integer|5 Videos

  • ELECTRIC FLUX AND GAUSS LAW

    CENGAGE PHYSICS ENGLISH|Exercise MCQ s|38 Videos

  • ELECTRICAL MEASURING INSTRUMENTS

    CENGAGE PHYSICS ENGLISH|Exercise M.C.Q|2 Videos

Similar Questions

Explore conceptually related problems

Electric field in a region of space is radially outward from origin and varies with distance 'r' from origin as E = kr. Find the charge enclosed in a sphere of radius 'a' centred at origin.

A point charge is taken from a point A to a pint B in an electric field. Does the work done by the electric field depend on the path of the charge ?

A point charge q is placed at the origin . How does the electric field due to the charge very with distance r from the origin ?

The electric field in a region is directed outward and is proportional to the distance r from the origin, Taking the electric potential at origin to be zero,

The electric field in a region is radially outward and varies with distance r as E = 250 r ( volt per square metre).Calculate the charge contained in a sphere of radius 0.2 m centere at the origin.

The electric field in a region is radially outward with magnitude E=Agamma_(0) . The charge contained in a sphere of radius gamma_(0) centered at the origin is

The electric field in a region is radially outward with magnitude E=Ar . Find the charge contained in a sphere of radius a centred at the origin. Take A=100 V m^(-2) and a=20.0 cm .

Electric field intensity (E) due to an electric dipole varies with distance (r ) from the point of the center of dipole as :

The number of electric lines of force originating from a charge of 1C is

The electric field is a region (relative permittivity = 1) varies with distance "r" from origin according to relation E = Ar^2hatr , where A is a positive constant. The volume charge density in the region is proportional to