Home
Class 12
PHYSICS
A system has two charges q(A)=2.5 xx10^(...

A system has two charges `q_(A)=2.5 xx10^(-7)` c and `Q_(B)=-2.5 xx10^(-7)` c located at points a (0,0,-15 cm) and B:(0,0+15cm) respectively what are the total charge and electric dipole moment of the system

Text Solution

Verified by Experts

Total charge is zero dipole moment `=7.5 xx10^(-8)` C m along z axis
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    NCERT GUJARATI|Exercise EXERCISES|34 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    NCERT GUJARATI|Exercise EXERCISES|41 Videos

  • ELECTROMAGNETIC INDUCTION

    NCERT GUJARATI|Exercise ADDITIONAL EXERCISES|7 Videos

Similar Questions

Explore conceptually related problems

A system has two charges q_A = 2.5 xx 10^(-7) C and q_(B) = - 2.5 xx 10^(-7) C located at points A:(0, 0, -15 cm) and B : (0, 0, + 15 cm), respectively. What are the total charge and electric dipole moment of the system ?

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 ...... .

Two charges 5 xx 10^(-8) C and -3 xx 10^(-8) C are located 16 cm apart. At what point(s) on the line joining the two charges is the electric potential zero? Take the potential at infinity to be zero.

Two charges 3 xx 10^(-8) C and - 2 xx 10^(-8) C are located 15 cm apart. At what point on the line joining the two charges is the electric potential zero ? Take the potential at infinity to be zero.

Two charges q_(1) and q_(2) are placed at (0, 0, d) and (0, 0, - d) respectively. Find locus or points where the potential is zero.

Two charge 5xx10^(-8)C and -3xx10^(-8) C are located 16 cm apart. At what point(s) on the line joining the two charges is the electric potential zero ? Take the potential at infinity to be zero.

Two charges –q and +q are located at points (0, 0, –a) and (0, 0, a), respectively. (a) What is the electrostatic potential at the points (0, 0, z) and (x, y, 0) ? (b) Obtain the dependence of potential on the distance r of a point from the origin when r//a gt gt 1 . (c) How much work is done in moving a small test charge from the point (5,0,0) to (–7,0,0) along the x-axis? Does the answer change if the path of the test charge between the same points is not along the x-axis?

(a) Determine the electrostatic potential energy of a system consisting of two charges 7 µC and –2 µC (and with no external field) placed at (–9 cm, 0, 0) and (9 cm, 0, 0) respectively. (b) How much work is required to separate the two charges infinitely away from each other? (c) Suppose that the same system of charges is now placed in an external electric field E = A(1//r^(2)):A = 9 xx 10^(5) NC^(-1) . What would the electrostatic energy of the configuration be?

Two point charges q_(A) =3 mu c and q_(B)=-3 mu c are located 20 cm apart in a vacuum (a) what is the electric field at the midpoint O of the line AB joining the two charges (b) if a negative test charge of magnitude 1.5 xx 10^(-9) c is placed at this point what is the force experienced by the test charge

NCERT GUJARATI-ELECTRIC CHARGES AND FIELDS -EXERCISES
  1. (a) an electrostatic field line is a contiuous curve that is field ...

    Text Solution

    |

  2. Two point charges q(A) =3 mu c and q(B)=-3 mu c are located 20 cm ...

    Text Solution

    |

  3. A system has two charges q(A)=2.5 xx10^(-7) c and Q(B)=-2.5 xx10^(-7) ...

    Text Solution

    |

  4. An electric dipole with dipole moment 4xx10^(-9) c m is aligned at 30^...

    Text Solution

    |

  5. A polythene piece rubbed with wool is found to have a negative ch...

    Text Solution

    |

  6. (a) Two insulated charged copper spheres a and b have their centres ...

    Text Solution

    |

  7. Suppose the spheres A and B in Exercise 1.12 have identical sizes. A t...

    Text Solution

    |

  8. Track of three charged particles in a uniform electroastatic field ...

    Text Solution

    |

  9. Consider a uniform electric field E=3xx10^(3) hati N/C (a) what is ...

    Text Solution

    |

  10. What is the net flux of the uniform electric field of exercise th...

    Text Solution

    |

  11. Careful measurement of the electric field at the surface of a black b...

    Text Solution

    |

  12. A point charge + mu c is a distance 5 cm directly above the centre of...

    Text Solution

    |

  13. A point charge of 2.0 mu c is at the centre of a cubic gaussian ...

    Text Solution

    |

  14. A point charge causes an elelctric flux of -1.0 xx10^(3) Nm^(2) /C to...

    Text Solution

    |

  15. A conducting sphere of radius 10 cm has an unknown charge if the elect...

    Text Solution

    |

  16. A uniformly charged conducting sphere of 2.4 m diameter has a (a)...

    Text Solution

    |

  17. An infinite line charge produces a field of 9xx10^(4) N/C at a dis...

    Text Solution

    |

  18. Two large thin metal plates are parallel and close to each other on...

    Text Solution

    |

  19. An oil drop of 12 exess electrons is held stationary under a consta...

    Text Solution

    |

  20. Which among the curves cannot possibly represent electrostatic fie...

    Text Solution

    |