Home
Class 12
PHYSICS
If work done by electric field is positi...

If work done by electric field is positive, then the potential energy

A

Increases

B

Decreases

C

Remains contant

D

May increase or decrease

Text Solution

Verified by Experts

The correct Answer is:
2
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    AAKASH INSTITUTE|Exercise SECTION-B (OBJECTIVE TYPE QUESTIONS (ONLY ONE ANSWER) )|1 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    AAKASH INSTITUTE|Exercise SECTION-B(OBJECTIVE TYPE QUESTIONS(ONLY ONE ANSWER) )|23 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    AAKASH INSTITUTE|Exercise TRY YOURSELF|110 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION - D Assertion-Reason Type Questions|25 Videos

  • GRAVITATION

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION - D (ASSERTION-REASON TYPE QUESTIONS)|16 Videos

Similar Questions

Explore conceptually related problems

When a 2 mu C charge is carried from point A to point B, the amount of work done by the electric field is 50 mu J . What is the potential difference and which point is at a higher potential ?

A point charge 20 muC is shifted from infinity to a point P in an electric field with zero acceleration. If the potential of that point is 1000 volt, then (i) Find out work done by electric field ? (iii) If the kinetic energy of charge particle is found to increase by 10 mJ when it is brought from infinity to point P, then what is the total work done by external agent ? (iv) What is the work done by electric field in the part (iii) (v) If a point charge 30 muC is released at rest at point P, then find out its kinetic energy at a large distance ?

Assertion: A small electric dipole is moved translatonally from higher potential to lower potential in uniform electric field. Work done by electric is positive. Reason: When a positive charge is moved from higher potential to lower potential, work done by electric field positive.

Derive an expression for potential energy of an electric dipole in a uniform electric field. In which situation, the potential energy fo dipole is (i) maximum and (ii) minimum.

A point charge is taken from a pint A to a pint B in an electric field. Does the work done by the electric field depend on the path of the charge ?

The work done against electric in increasing the potential difference of a condenser from 20 V to 40 V is W. The work done in increasing its potential difference from 40 V to 50 V will be

Asseration : If work by done conservative forces is positive, kinetic energy will increase. Reason : Because potential energy will decrease.

Choose the correct options – (1) )The work done by forces may be equal to change in kinetic energy (2)The work done by forces may be equal to change in potential energy (3) The work done by forces may be equal to change in total energy (4) The work done by forces must be equal to change in potential energy.

AAKASH INSTITUTE-ELECTROSTATIC POTENTIAL AND CAPACITANCE -ASSIGNMENT (SECTION-A) Objective Type Questions (Only one answer)
  1. Four charges +q, -1, +q and -q are placed in order on the four consecu...

    Text Solution

    |

  2. In the questions , if the charges with the same sign are interchanged...

    Text Solution

    |

  3. If work done by electric field is positive, then the potential energy

    Text Solution

    |

  4. A charged partile is moved infinitesimally slowly from point A to B i...

    Text Solution

    |

  5. There is an electric field E in x-direction. If the work done on movin...

    Text Solution

    |

  6. A metal sphere of radius r is charged to certain potential V. Then the...

    Text Solution

    |

  7. A charge q is distributed uniformly on the surface of a sold sphere of...

    Text Solution

    |

  8. If you want to protect a very sensitive instrument from presence of a...

    Text Solution

    |

  9. The capacitance of a capacitor depends on

    Text Solution

    |

  10. A parallel plate capacitor has capacitance of 1.0 F. If the plates are...

    Text Solution

    |

  11. In an arrangement of two concentric conducting shells, with centre at ...

    Text Solution

    |

  12. Four capacitors are connected as shown in the figure. The equivalent c...

    Text Solution

    |

  13. A parallel -plate capacitor is connected to a battery that maintains a...

    Text Solution

    |

  14. The capacitance of an isolated conducting sphere of radius R is propor...

    Text Solution

    |

  15. In the arrangement shown , find the equivalent capacitance between A ...

    Text Solution

    |

  16. The equivalent capacitance between the points A and B is

    Text Solution

    |

  17. While working on a physics project at school physics lab, you required...

    Text Solution

    |

  18. A capacitor of capacitance C is fully charged by a 200 V battery. It i...

    Text Solution

    |

  19. A parallel plate capacitor with air between the plates has a capacit...

    Text Solution

    |

  20. Three capacitors C(1), C(2) and C(3) are connected to a battery as sh...

    Text Solution

    |