Home
Class 12
PHYSICS
A thin metallic spherical shell contains...

A thin metallic spherical shell contains a charge `Q` on it. A point charge `q` is placed at the center of the shell and another charge `q_(1)` is placed outside it as shown in figure. All the three charges are positive

The force on the charge at the centre is

A

towards left

B

towards right

C

upward

D

zero

Text Solution

Verified by Experts

The correct Answer is:
D

Note that there is no field inside the metallic shell.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTRIC CHARGE, FIELD & FLUX

    A2Z|Exercise Electric Field Due To Point Charge|25 Videos
  • ELECTRIC CHARGE, FIELD & FLUX

    A2Z|Exercise Electric Field And Motion|37 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    A2Z|Exercise Section D - Chapter End Test|30 Videos
  • ELECTRIC POTENTIAL & CAPACITANCE

    A2Z|Exercise Section D - Chapter End Test|29 Videos

Similar Questions

Explore conceptually related problems

A thin metallic spherical shell contains a charge Q on it. A point charge q is placed at the center of the shell and another charge q_1 is placed outside it as shown in the figure. All the three charges are positive. Find the force on the charge a. at centre due to all charges. b. at center due to shell.

A thin metallic spherical shell a carries Q on it. A point charge Q_(1) is placed at the centre of the shell and another charge q is placed outside as shown in figure ahead. All the charges are positve. Discuss the various forces acting on Q_(1) .

Knowledge Check

  • A thin. Metallic spherical shell contains s charge Q on it. A point charge q is placed at the centre of the shell and another charge q_1 is placed outside it as shown in figure (30-Q1). All the three charges are positive. The force on the charge at the centre is

    A
    towards left
    B
    towards right
    C
    upward
    D
    zero.
  • A charge Q_(0) is placed at the center of spherical cavity of a conductor and another charge Q is placed outside the conductor as shown in the figure. The correct statement is :

    A
    Force on `Q_(0)` and Q are equal and opposite
    B
    Force on `Q_(0)` is zero and force on Q is nonzero
    C
    Force on Q and `Q_(0)` is zero
    D
    Force on `Q_(0)` is nonzero and force on Q is zero
  • A metallic spherical shell of radius R has a charge -Q on it. A point charge +Q is placed at the centre of the shell. Which of the graphs shown below may correctly represent the variation of electric field E with distance r from the centre of shell ?

    A
    B
    C
    D
  • Similar Questions

    Explore conceptually related problems

    A thin metallic spherical shell of radius R carries a charge Q on its surface. A point charge (Q)/(2) is placed at its centre C and another charge +2Q is placed outside the shell at point A at a distance x from the centre (x gt R) Find the force on the charge at the centre of the shell and at the point A Find the electric flux through the shell.

    A thin metallic spherical shell of radius R carries a charge Q on its surface . A point charge (Q)/(2) is placed at its centre C and an other charge +2 Q is placed outside the shell at a distance x from the centre as shown in the Fig . Find (i) the force on the charge at the centre of shell and at the point A , (ii) the electric flux through the shell .

    A charge Q is placed at the centre of the line joining two point charges +q and +q as shown in figure. The ratio of charges Q and q is

    Both question a and b refer to the sustem of charges as shown in the figure. A spherical shell of conducting material. A point charge +Q is place at the centre of the spherical shell and a total charge -q is placed on the shell. A Charge -q id distributed on the surfaces as . (b) Assume that the elctrostatic potential is zero at an infinite distance from the spherical shell . The electrostatic potential at a distance R (a lt R lt b) from the centre of the shell is .

    A spherical shell of radius R is given charge 3q on its surface and a point charge q is placed at distance R//2 from its centre C . Also there is a charge 2q placed outside the shell at a distance of 2R as shown. Then