Home
Class 12
PHYSICS
The work in rotating electric dipole of ...

The work in rotating electric dipole of dipole moment p in an electric field E through an angle `theta` from the direction of electric field, is:

A

`-PE cos theta`

B

`PE cos theta`

C

`-PE (1-cos theta)`

D

`-PE (1+cos theta)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • Mock Test 24: PHYSICS

    AAKASH INSTITUTE|Exercise Example|21 Videos
  • Mock test 26

    AAKASH INSTITUTE|Exercise EXAMPLE|14 Videos

Similar Questions

Explore conceptually related problems

The torque tau acting on an electric dipole of dipole momtn vec(p) in an electric field vec( E ) is

An electric dipole is placed in an uniform electric field with the dipole axis making an angle theta with the direction of the electric field. The orientation of the dipole for stable equilibrium is

An electric dipole of dipole moment p is placed in a uniform external electric field E. Then, the

An electric dipole of dipole moment P is lying along uniform electric field E. The work done in rotating the dipole by 37° is

Derive an expression for the work done in rotating an electric dipole from its equilibrium position to an angle theta with the uniform electrostatic field.

For an electric dipole potential & electric field

An electric dipole of dipole moment p is aligned parallel to a uniform electric field E. the energy required to rotate the dipole by 90^(@) is

AAKASH INSTITUTE-Mock Test 25: PHYSICS-Example
  1. Figure shows some equipotential lines distributed in space. A charge...

    Text Solution

    |

  2. When the separation between two charges is increase the electric poten...

    Text Solution

    |

  3. Mark the correct statement

    Text Solution

    |

  4. An alpha particle is accelerated from rest through a potential differe...

    Text Solution

    |

  5. Just outside a sharp point on a conductor , we will have , a larger t...

    Text Solution

    |

  6. A particle of mass m and charge -q circulates around a fixed charge q ...

    Text Solution

    |

  7. The work in rotating electric dipole of dipole moment p in an electric...

    Text Solution

    |

  8. A solid conducting spere of radius 10 cm is enclosed by a thin metalli...

    Text Solution

    |

  9. Two positively charged particles X and Y are initially far away from ...

    Text Solution

    |

  10. The capacity of parllel plate condenser depends on

    Text Solution

    |

  11. A parallel plate capacitor (without dielectric) is charged by a batter...

    Text Solution

    |

  12. A capacitor of capacitance C is charged to a potential V. The flux of ...

    Text Solution

    |

  13. (a) Justify the following statements (i) Tungsten is used exclusivel...

    Text Solution

    |

  14. If n drops, each of capacitance C and charged to a potential V, coales...

    Text Solution

    |

  15. Plates of area A are arranged as shown. The distance between each plat...

    Text Solution

    |

  16. The' distance between the plates of a parallel plate capacitor is d. A...

    Text Solution

    |

  17. If the dielectric constant and dielectirc strength be denoted by K and...

    Text Solution

    |

  18. Which of the following methods will reduce the capacitance of a parall...

    Text Solution

    |

  19. A parallel plate capacitor is filled with a uniform dielectric , maxim...

    Text Solution

    |

  20. The capacity of an isolated sphere is increased n times when it is enc...

    Text Solution

    |