Home
Class 12
PHYSICS
When the electric flux linked with the s...

When the electric flux linked with the surface will be positive.

A

`theta gt 90^(@)`

B

`theta lt 90^(@)`

C

`theta = 90^(@)`

D

`theta ge 90^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
[`phi=Abcostheta` and for `theta lt 90^(@) costheta` positive]
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    KUMAR PRAKASHAN|Exercise SECTION D (MULTIPLE CHOICE QUESTIONS (MCQS)) (MCQS FROM .DARPAN. BASED ON TEXTBOOK) (MISCELLANEOUS MCQs)|6 Videos

  • ELECTRIC CHARGES AND FIELDS

    KUMAR PRAKASHAN|Exercise SECTION D (MULTIPLE CHOICE QUESTIONS (MCQS)) (MCQS FROM .DARPAN. BASED ON TEXTBOOK) (ASSERTION AND REASON TYPE MCQs)|3 Videos

  • ELECTRIC CHARGES AND FIELDS

    KUMAR PRAKASHAN|Exercise SECTION D (MULTIPLE CHOICE QUESTIONS (MCQS)) (MCQS FROM .DARPAN. BASED ON TEXTBOOK) (LECTRIC FIELD AND ELECTRIC DIPOLE)|26 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    KUMAR PRAKASHAN|Exercise Section-D (MCQs asked in GUJCET/Board Exam)|1 Videos

  • ELECTROMAGNETIC INDUCTION

    KUMAR PRAKASHAN|Exercise Section D MCQs (MCQs asked in Competitive Exams )|38 Videos

Similar Questions

Explore conceptually related problems

The Electric flux through the surface:

When the electric flux associated with closed surface becomes positive, zero or negative ?

A Gaussian surface in the fig. is shown by dotted line. The electric field on the surface will be :-

Careful measurement of the electric field at the surface of a black box indicates that the net outward flux through the surface of the (a) what ist the net charge inside the box (b) if the net outward flux through the surface of the box wre zero could you conclude that there were no charges inside the box why or why not

Careful measurement of the electric field at the surface of a black box indicates that the net outward flux through the surface of the box is 8.0 xx 10^3 Nm^2//C . (a) What is the net charge inside the box ? (b) If the net outward flux through the surface of the box were zero, could you conclude that there were no charges inside the box ? Why or Why not ?

If the total charge enclosed by a surface is zero, does it imply that the electric field everywhere on the surface is zero ? Conversely, if the electric field everywhere on a surface is zero, does it imply that net charge inside is zero.

If the uniform surface charge density on the infinite plane sheet is sigma , electric field near the surface will be

A cylinder of radius r and length L is placed in a uniform electric field in such a way that its axis remains parallel to the electric field. The electric flux passing through the surface of cylinder is

KUMAR PRAKASHAN-ELECTRIC CHARGES AND FIELDS -SECTION D (MULTIPLE CHOICE QUESTIONS (MCQS)) (MCQS FROM .DARPAN. BASED ON TEXTBOOK) (CONTINUOUS DISTRIBUTION OF CHARGE AND ELECTRIC FLUX)
  1. If a charge q is placed at centre of cube, then flux associated with e...

    Text Solution

    |

  2. 400 muC charge is uniformly spread over the surface of a spherical sh...

    Text Solution

    |

  3. 10 xx 10^(-6) C charge is uniformly spread over the cube of face leng...

    Text Solution

    |

  4. The linear charge density of 10muC charge, uniformly distributed on t...

    Text Solution

    |

  5. If 0.1muC total charge is uniformly distributed over long straight wi...

    Text Solution

    |

  6. There exists an electric field of 100 N/C along Z-direction. The flux ...

    Text Solution

    |

  7. The electric field in the region of the space is vecE = (5hati + 2hatj...

    Text Solution

    |

  8. A cylinder of radius r and length L is placed in a uniform electric fi...

    Text Solution

    |

  9. On two hollow spheres (shells) charges -q and +q are placed, so the fl...

    Text Solution

    |

  10. the number of electric field lines leaving the positive 0.5 C charge p...

    Text Solution

    |

  11. flux associated with the metal piece of 3hatj m^(2) cross-section pla...

    Text Solution

    |

  12. linear charge density of current carrying wire of infinite length is 4...

    Text Solution

    |

  13. When a 10muC charge is enclosed by a closed surface, the flux passing...

    Text Solution

    |

  14. An electric dipole is placed at the centre of a sphere. The flux passi...

    Text Solution

    |

  15. When the electric flux linked with the surface will be positive.

    Text Solution

    |

  16. The number of electric field lines emerged out from 1muC charge is ......

    Text Solution

    |

  17. Linear charge densities of two parallel wires of infinite length is la...

    Text Solution

    |

  18. A rectangular frame of 25 cm x 15 cm is placed normal to 2 xx 10^4 NC^...

    Text Solution

    |

  19. Charge q is inside a hollow cylinder. If flux associated with its curv...

    Text Solution

    |

  20. The flux associated with surface shown in figure is......

    Text Solution

    |