Home
Class 12
PHYSICS
If a conductor has a potential V != 0 an...

If a conductor has a potential `V != 0` and there are no charges anywhere else outside, then

A

there must be charges on the surface or inside it self

B

there cannot be any charge in the body of the conductor

C

there must be charges only on the surface

D

both1 and 2 are correct

Text Solution

Verified by Experts

The correct Answer is:
C
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    NARAYNA|Exercise C.U.Q (Capacitors and Capacitance)|47 Videos
  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    NARAYNA|Exercise C.U.Q (Van De Graff Generator )|2 Videos
  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    NARAYNA|Exercise C.U.Q (Potential due to continuous charge distribution)|10 Videos
  • ELECTROMAGNETIC WAVES

    NARAYNA|Exercise EXERCISE -4|15 Videos
  • ELECTROSTATICS AND GAUSS LAW

    NARAYNA|Exercise Intergers type question|11 Videos

Similar Questions

Explore conceptually related problems

If 20 J of work has to be done to move an electric charge of 4 C from a point, where potential is 10 V to another point, where potential is V volt, find the value of v.

A spherical metallic conductor has a spherical cavity. A positive charge is placed inside the cavity at its centre. Another positive charge is placed outside it. The conductor is initially electrically neutral. {:(,"Column I (Cause)",,,"Column II (Effect)"),((A),"If outside is shifted to other position",,(p),"Distribution of charge on innner surface"),(,,,,"of cavity charges"),((B),"If inside charge is shifted to other position",,(q),"Distribution of charge on outer surface of"),(,,,,"conductor charges"),((C),"If magnitude of charge inside cavity is",,(r),"Electric potential at the centre of conductor"),(,"increased",,,"changes due to charges present"),(,,,,"on outer surface of conductor"),((D),"If conductor is earthed",,(s),"Force on the charge placed inside"),(,,,,"cavity changes"):}

Knowledge Check

  • If the conductor has V ne 0 with zero charge then:

    A
    there cannot be any charge in the body of conductor
    B
    there must be charge on the surface or inside itself
    C
    there must be charge only on the surface
    D
    both (a) and (b)
  • A small spherical conductor 'A' of radias 'a' is initially charged to a potential 'V' and then placed inside an uncharged spherical conducting shell 'B' of radius 6a as shown. The potential of the spherical conductor 'A' after closing the switch S is

    A
    V
    B
    `(V)/(3)`
    C
    `(V)/(2)`
    D
    `(V)/(6)`
  • The electric potential at the centre of a charged conductor is

    A
    zero
    B
    twice that of the surface
    C
    same as on the surface
    D
    none of these
  • Similar Questions

    Explore conceptually related problems

    If a charged spherical conductor of radius 10 cm has potential V at a point distant 5 cm from its centre, then the potential at a point distant 15 cm from the centre will be

    Two equipotential spherical surface having potential 20V and 0V are as shown in figure. There is no charge anywhere in space except on the surface of both the spheres. Then which of the following figure represents the nature of electric field in region between the spherical surfaces by electric lines of forces.

    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 :

    If a charged spherical conductor of radius 5 cm has potential V at a point distant 5 cm its centre, then the potential at a point distant 30 cm from the centre will be

    An insulated charged conducting sphere of radius 5cm has a potential of 10V at the surface. What is the potential at centre?