Home
Class 12
PHYSICS
The electric flux from a cube of edge l ...

The electric flux from a cube of edge l is `phi`. If an edge of the cube is made `2l` and the charge enclosed is halved, its value will be

A

`phi//2`

B

`2phi`

C

`4phi`

D

`phi`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    NARAYNA|Exercise EXERCISE -1 (C.W)|24 Videos

  • ELECTRIC CHARGES AND FIELDS

    NARAYNA|Exercise EXERCISE -1 (H.W)|27 Videos

  • ELECTRIC CHARGES AND FIELDS

    NARAYNA|Exercise EVALUATE YOURSELF-4|6 Videos

  • DUAL NATURE

    NARAYNA|Exercise LEVEL-II (H.W)|17 Videos

  • ELECTRO MAGNETIC INDUCTION

    NARAYNA|Exercise Level-II (H.W)|23 Videos

Similar Questions

Explore conceptually related problems

Find the electric flux coming out from one race of a cube of edge a, centre of which a point charge q is placed

What is electric flux assoacited with one of faces of the cube, when a charge (q) is enclosed in a cube ?

How does the surface area of a cube is changed,if its edge is halved?

If the sum of the edges of a cube is 24cm, then find its area.

If the length of each edge of a cube is tripled, what will be the change in its volume?

NARAYNA-ELECTRIC CHARGES AND FIELDS-C.U.Q
  1. If the flux of the electric field through a closed surface is zero,

    Text Solution

    |

  2. If infinite parallel plane sheet of a metal is charged to charge densi...

    Text Solution

    |

  3. The electric flux from a cube of edge l is phi. If an edge of the cube...

    Text Solution

    |

  4. If the electric flux entering and leaving an enclosed surface respecti...

    Text Solution

    |

  5. Electric flux at a point in an electric field is

    Text Solution

    |

  6. Electric flux over a surface in an electric field

    Text Solution

    |

  7. A charge Qis placed at the mouth of a conical flask. The flux of the e...

    Text Solution

    |

  8. A charge Qis placed at the mouth of a conical flask. The flux of the e...

    Text Solution

    |

  9. Electric field intensity at a point due to an infinite sheet of charge...

    Text Solution

    |

  10. Two thin infinite parallel plates have uniform charge densities + sigm...

    Text Solution

    |

  11. In the above question, if the sheets were thick and conducting , value...

    Text Solution

    |

  12. In the above problem the value of E in the space outside the sheets is...

    Text Solution

    |

  13. The Gaussian surface for calculating the electric field due to a charg...

    Text Solution

    |

  14. The electric flux over a sphere of radius 1m is phi. If radius of the ...

    Text Solution

    |

  15. A charge q is placed at the centre of a cube.What is the electric fl...

    Text Solution

    |

  16. A charge Q is situated at the corner of a cube the electric flux passe...

    Text Solution

    |

  17. A charge +q is placed at the mid point of a cube of side L. The electr...

    Text Solution

    |

  18. A charge q is enclosed as shown, below the electric flux is

    Text Solution

    |

  19. An ellipsoidal cavity is carved within a perfect conductor. A positive...

    Text Solution

    |

  20. Two infinitely long thin straight wires having uniform linear charge d...

    Text Solution

    |