Home
Class 12
PHYSICS
The electric field in a certain region i...

The electric field in a certain region is acting radially outwards and is given by `E=Ar. A` charge contained in a sphere of radius `'a'` centred at the origin of the field, will given by

A

`4 pi epsi_(0)Aa^(2)`

B

`A epsi_(0)a^(2)`

C

`4 pi epsi_(0)Aa^(3)`

D

`epsi_(0)Aa^(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    DC PANDEY|Exercise Match the columns|5 Videos
  • ELECTROSTATIC POTENTIAL AND CAPACITORS

    DC PANDEY|Exercise (C) Chapter exercises|50 Videos
  • GRAVITATION

    DC PANDEY|Exercise All Questions|120 Videos

Similar Questions

Explore conceptually related problems

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_(0) . The charge contained in a sphere of radius r_(0) centred at the origin is

The electric field in a region is radially outward with magnitude E = 2r. The charge contained in a sphere of radius a = 2m centerd at the origin is 4x piepsi_(0) . Find the value of x.

The electric field in aregion is radially ourward 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 .

The electric field in a region is radially outward with magnitude E=alpha r .The charge contained in a sphere of radius R centered at the origin is K times10^(-10)C if alpha=100V/m^(2) and "R=0.30m" .The value of K is

The electric field in a region is radially outwards with magnitude E=alphar//epsilon_(0) . IN a sphere of radius R centered at the origin, calculate the value of charge in coulombs alpha=5/(pi) if V//m^(2) and R=(3/10)^(1//3)m .

The electric field in a region is radially outward with magnitude E = ar . If a = 100 Vm^(-2) and R = 0.30m , then the value of charge contained in a sphere of radius R centred at the origin is W xx 10^(-10)C . Find W.

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.

DC PANDEY-ELECTROSTATICS-Medical entrances gallery
  1. An electric dipole is placed at an angle of 30^(@) with an electric fi...

    Text Solution

    |

  2. The electric field in a certain region is acting radially outwards and...

    Text Solution

    |

  3. A Gaussian surface in the cylinder of cross-section pia^(2) and length...

    Text Solution

    |

  4. A total charge of 5 muC is distributed uniformly on the surface of the...

    Text Solution

    |

  5. Two small spherical shells a and B are given positive charges of 9 C a...

    Text Solution

    |

  6. a point charge q is situated at a distance r from one end of a thin co...

    Text Solution

    |

  7. When 10^(19) electrons are removed from a neutral metal plate through ...

    Text Solution

    |

  8. A charge Q is uniformly distributed over a large plastic plate. The el...

    Text Solution

    |

  9. A uniform electric field E is created between two parallel ., charge...

    Text Solution

    |

  10. The line A A' is on charged infinite conducting plane which is perpend...

    Text Solution

    |

  11. The electric field at a point on equatorial of a dipole and direction ...

    Text Solution

    |

  12. Pick out the statement which is incorrect?

    Text Solution

    |

  13. An electron of mass m(e ) initially at rest moves through a certain di...

    Text Solution

    |

  14. Two charges 10 muC and - 10 muC are placed at points A. and B separate...

    Text Solution

    |

  15. A uniform electric field exists in space. Find the flux of this field...

    Text Solution

    |

  16. An inclined plane of length 5.60 m making an angle of 45^(@) with the ...

    Text Solution

    |

  17. Two charge spheres separated at a distance d exert a force F on each o...

    Text Solution

    |

  18. If a charge on the body is 1 nC, then how many electrons are present o...

    Text Solution

    |

  19. Electric field at a point of distance r from a uniformly charged wire ...

    Text Solution

    |

  20. Two equal and opposite charges of masses m(1) and m(2) are accelerated...

    Text Solution

    |