Home
Class 12
PHYSICS
A Uniform electric field of 10NC ^(-1) e...

A Uniform electric field of `10NC ^(-1)` exists in the vertically downward direction. Find the increase in the electric potential as one goes up through a height of 50cm.

Text Solution

Verified by Experts

`E=10N//C,S=50cm=1/2m `
` or v=e.s=10xx1/2=5V`
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC FIELD AND POTENTIAL

    HC VERMA|Exercise Objective 2|8 Videos
  • ELECTRIC CURRENT THROUGH GASES

    HC VERMA|Exercise Exercise|23 Videos
  • ELECTROMAGNETIC INDUCTION

    HC VERMA|Exercise EXERCISE|98 Videos

Similar Questions

Explore conceptually related problems

A uniform magnetic field of 0.20 xx 10^(-3) T exists in the space. Find the the change in the magnetic scalar potential as one moves through 50cm along the field.

A proton is projected with a speed of 3X10^6 ms ^(-1) horizontally from est to west. A uniform magnetic field vec B of strength 2.0X10^(-3) T exists in the vertically upward direction(a) find the force on the proton just after it is projected. (b) what is the acceleration produced?

A uniform electric field of magnitude E= 100 N C^(-1) exists in the space in x-direction. Calculate the flux of this field through a plane square of edga 10 cm placed in the y-z plane. Take the normal along the positive x-axis to be positive.

Two charged particles, having equal charges of 2.0xx 10^(-5) C each, are brought from infinity to within a separation of 10 cm. Find the increase in the electric potential energy during the process.

A uniform field of 2.0 NC^(-1) exists in space in x direction (a) Taking the potential at the origin to be zero, write an experssion for the potential at a general point (x,y,z). (b) At which points, the potential is 25V ? ( c) If the potential at the origin is taken to be 100V , what will be the expression for the potential at a general point? (d) What will be the potential at the origin if the potential at infinity is taken to be zero ? Is it parctical to choose the potential at infinity to be zero?

An electric field vecE = (20i + 30j) NC^(-1) exists in the space. If the potential at the origin is taken to be zero find the potential at (2m, 2m).

An electron is released from the origin at a place where a uniform electric field E and a uniform magnetic field B exist along the negative y-axis and the nagative z-axis respectively. Find the displacement of the electron along the y-axis when its velocitybecomes perpendicular to the electric feld for the first time.

A dipole of electric dipole moment p is placed in a uniform electrie field of strength E. If theta is the angle between positive directions of p and E, then the potential energy of the electric dipole is largest when theta is

A particle of mass 1 g and charge 2. 5 xx10^(-4) C is released from rest in an electric field of 1.2 xx 10^4 NC^(-1) (a) Find the electric force and the force of gravity acting on this particle. Can one of these forces be neglected in comparison with the other for approximate analysis? (b) How long will it take for the particle to travel a distance of 40 cm? (c) What will be the speed of the particle after travelling this destance? (d) how much is the work done by electric force on the particle during this period?

A uniform magnetic field of 1.5 T exists in a cylindrical region of radius 10.0 cm, its direction parallel to the axis is along east to west. A wire carrying current of 7.0 A in the north to south direction passes through this region. What is the magnitude and direction of the force on the wire if, a. the wire intersects the axis, the wire is turned from N S to north east-south west direction. c. the wire in the N-S direction is lowered from the axis by a distance 6.0 cm.

HC VERMA-ELECTRIC FIELD AND POTENTIAL-Exercises
  1. A block of mass m having a charge q is placed on a smooth horizontal t...

    Text Solution

    |

  2. A block of mass m containing a net positive charge q is placed on a sm...

    Text Solution

    |

  3. A Uniform electric field of 10NC ^(-1) exists in the vertically downwa...

    Text Solution

    |

  4. 12 j of work has to be done against an existion electric field to take...

    Text Solution

    |

  5. Two equal charges, 2.0xx10^(-7) C each, are held fixed at a separation...

    Text Solution

    |

  6. An electric field of 20 N//C exists along the x-axis in space. Calcula...

    Text Solution

    |

  7. Consider the situation of the previous problem. A charge of 2.0xx 10 ^...

    Text Solution

    |

  8. An electric field vecE = (20i + 30j) NC^(-1) exists in the space. If t...

    Text Solution

    |

  9. An electric field vecE = vec I Ax exists in the space, where A= 10 V ...

    Text Solution

    |

  10. The electric potential existing in space is V(x,y,z)= A (xy+ yz+zx).(a...

    Text Solution

    |

  11. Two charged particles, having equal charges of 2.0xx 10^(-5) C each, a...

    Text Solution

    |

  12. Some equipotential surfaces are shown in figure(29.E3) What can you sa...

    Text Solution

    |

  13. Consider a circular ring of radius r, uniformly charged with linear ch...

    Text Solution

    |

  14. An electric field of magnitude 1000 NC ^(-1) is produced between two p...

    Text Solution

    |

  15. A uniform field of 2.0 NC^(-1) exists in space in x direction (a) Taki...

    Text Solution

    |

  16. How much work has to be done in assembling three charged particles at ...

    Text Solution

    |

  17. The kinetc energy of a chargd particle decreased by 10 J as it moves f...

    Text Solution

    |

  18. Two charged particles, having equal charges of 2.0xx 10^(-5) C each, a...

    Text Solution

    |

  19. Two particles have equal masses of 5.0 g each and opposite charges of ...

    Text Solution

    |

  20. A smple of HCl gas is placed in an electric field of 2.5xx 10^4 NC^(-1...

    Text Solution

    |