Home
Class 11
PHYSICS
Potenlials of points P and Q are 10V an...

Potenlials of points P and Q are 10V and -4 V respectively. Work done in taking 100 electrons from P to Q ........

A

`-2.24xx10^(-16) J`

B

`2.24xx10^(-16)J`

C

`-9.60xx10^(-17) J`

D

`9.60xx10^(-17) J`

Text Solution

Verified by Experts

The correct Answer is:
B

`q=-100xx1.6xx10^(-19) C`
`DeltaV=-14` volt
`W=qDeltaV=2.24xx10^(-16)J`
Promotional Banner

Topper's Solved these Questions

  • MISCELLANEOUS

    ALLEN |Exercise Exercise-05(B)|19 Videos
  • MISCELLANEOUS

    ALLEN |Exercise MCQ s WITH ONE OR MORE THAN ONE CORRECT ANSWER|6 Videos
  • MISCELLANEOUS

    ALLEN |Exercise Exersice-04[B]|16 Videos
  • KINEMATICS (MOTION ALONG A STRAIGHT LINE AND MOTION IN A PLANE)

    ALLEN |Exercise BEGINNER S BOX-7|8 Videos
  • PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT

    ALLEN |Exercise EXERCISE-IV|7 Videos

Similar Questions

Explore conceptually related problems

Potentials of points P and Q are 10 V and - 4 V respectively. Work done in taking 100 electrons from P to Q ........

The ionization potential of hydrogenic ions P and Q are V_(P) and V_(Q) respectively. If V_(Q) lt V_(P) then radii ......

Two charges - q and + q are located at points A(0, 0, - a) and B(0, 0, + a) respectively, work done in moving small test charge from point P(7, 0, 0) to Q(- 3, 0, 0) is ...... .

In an electric field. electric potential at point A is 40 V and that at point B is 90 V. The work to be done in taking 2 C charge from point A to point B is …………….. .

A point source emits sound equally in all directions in a non-absorbing medium. Two points P and Q are at distance of 2 m and 3 m respectively from the source. The ratio of the intensities of the waves at P and Q is ......

Potential at a point A is 3 volt and at a point B is 7 V , an electron is moving towards A form B .work done

A non viscous liquid of constant density 10^(3) kg//m^(3) flows in stream line motion along a vertical tube PQ of variable cross-section. Height of P and Q are 2m and 2.5m respectively. Area of tube at Q is equal to 3 times the area of tube at 'P'. Then work done per unit volume by pressure as liquid flows from P and Q. Speed of liquid at 'P' is 3 m//s .

Potential difference between points P and Q would be ...... .

If the distances of two points P and Q from the focus of a parabola y^2=4x are 4 and 9,respectively, then the distance of the point of intersection of tangents at P and Q from the focus is

ALLEN -MISCELLANEOUS-Exercise-05(A)
  1. A charge Q is place at each of the opposite corners of a square. A cha...

    Text Solution

    |

  2. Statement-1. For a charged particle moving from point P to point Q, t...

    Text Solution

    |

  3. Potenlials of points P and Q are 10V and -4 V respectively. Work done...

    Text Solution

    |

  4. Let P(r)=(Q)/(piR^4)r be the charge density distribution for a solid s...

    Text Solution

    |

  5. Charges q is uniformly distributed over a thin half ring of radius R. ...

    Text Solution

    |

  6. Let there be a spherically symmetric charge distribution with charge d...

    Text Solution

    |

  7. Two identically charged spheres are suspended by strings of equal leng...

    Text Solution

    |

  8. Two identical charged spheres suspended from a common point by two mas...

    Text Solution

    |

  9. The electrostatic potential inside a charged spherical ball is given b...

    Text Solution

    |

  10. Two positive charges of magnitude q are placed at the ends of a side (...

    Text Solution

    |

  11. An insulating solid sphere of radius R has a uniformaly positive charg...

    Text Solution

    |

  12. In a uniformly charges sphere of total charge Q and radius R, the elec...

    Text Solution

    |

  13. Two charges, each equal to q, aer kept at x=-a and x=a on the x-axis. ...

    Text Solution

    |

  14. A charge Q is uniformly distributed over a long rod AB of length L as ...

    Text Solution

    |

  15. Assum that an electric field vecE = 30 x^(2) hati exists in space. The...

    Text Solution

    |

  16. A uniformly charged solid shpere fo radius R has potential V(0) (meas...

    Text Solution

    |

  17. A long cylindrical shell carries positive surface charge a in the uppe...

    Text Solution

    |

  18. The region between two concentric spheres of radii 'a' and 'b', respec...

    Text Solution

    |

  19. The potential (in volts) of a charge distribution is given by V(z)=3...

    Text Solution

    |

  20. Within a spherical charge distribution of charge density rho(r), N equ...

    Text Solution

    |