Home
Class 12
PHYSICS
Two small spherical balls each carrying ...

Two small spherical balls each carrying a charge `Q= 10 mu C`( 10 micro=coulomb) are suspended by two insulating threads of equal lengths `1 cm` each, from a point fixed in the ceiling. It is found that in equilibrium threads are sepreated by an angle `60^(@)` between them, as shown in figure. What is the tension in the threads
(Given `(1)/(4piepsilon_(0))= 9xx10^(9)Nm//C^(2)` )

A

18 N

B

1.8 N

C

0.18 N

D

None of these

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Electric Dipole)|38 Videos

  • ELECTROSTATICS

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Electric Flux and Gauss.s Law)|28 Videos

  • ELECTROSTATICS

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Electric Flux and Gauss.s Law)|28 Videos

  • ELECTRONICS

    ERRORLESS |Exercise Selv Evaluation Test|23 Videos

  • HEATING AND CHEMICAL EFFECT OF CURRENT

    ERRORLESS |Exercise Self Evaluation Test|14 Videos

Similar Questions

Explore conceptually related problems

Two small balls, each having charge q, are suspended by two insulating threads of equal length L fron a hook in an elevator. The elevator is freely falling. Calculate the angle etween the two threads and tension in each thread.

Two indentical pith balls, each carrying charge q, are suspended from a common point by two strings of equal length l. Find the mass of each ball if the angle between the strings is 2theta in equilibrium.

Two small identical balls P and Q, each of mass 0.866 g, carry identical charges and are suspended by two threads of equal length 50 cm each from the same point. At equilibrium, they are separated by a distance of 50 cm. Find the charge on each ball (in nearest integer in nC ).

Two small balls having equal positive charge Q (coulomb) on each are suspended by two insulated string of equl length L meter, from a hook fixed to a stand. The whole set-up is taken in satellite into space where there is no gravity (state of weightlessness). Then the angle between the string and tension in the string is

Two small balls having equal positive charge Q (coulomb) on each are suspended by two insulated string of equal length L meter, from a hook fixed to a stand. The whole gravity (state of weightlessness). Then the angle between the string and tension in the string is

Two small balls, each having equal positive charge Q are suspended by two insulationg strings of equal length l from a hook fixed to a stand. It mass of each ball =m and total angle between the two strings is 60^(@) m, then find the charge on each ball.

Two small balls having equal positive charge Q (coulumb) on each suspended by two insulating strings of equal length L (metre) from a hook fixed to a stand. The whole set-up is taken in a satellite into space where there is no gravity (state of weightlessness). Then tension (newtons) in each string is:

Two small identical balls carrying the charges of the same sign are suspended from the same point by insulating threads of equal length. When the surrounding space was filled with kerosene the divergence angle between the threads remained constant, What is the density of the material of which the balls are made ?

Two small spheres, each having a mass of 20 g, are suspended form a common point by two insulating strings of length 40 cm each. The spheres are identically charged and the speration between the balls at equilibrium is found to be 4 cm . Find the charge on each sphere.

Two small balls having equal poistive charges Q( coulomb) on each are suspended by two insulating strings of equal length L(metre) from a hook fixed to a stand. The whole set up is taken in a satellite into space where there is no gravity (state of weightlessness). The angle between the two strings is...............and the tenison in each string is...................newtons.

ERRORLESS -ELECTROSTATICS -Ordinary Thinking Objective Questions (Electric Field and Potential)
  1. In an hydrogen atom, the electron revolves around the nucles in an orb...

    Text Solution

    |

  2. Consider two point charges of equal magnitude and opposite sign separa...

    Text Solution

    |

  3. Two small spherical balls each carrying a charge Q= 10 mu C( 10 micro=...

    Text Solution

    |

  4. A ball of mass 1g and charge 10^(-8) C moves from a point A. Where pot...

    Text Solution

    |

  5. An electron is accelerated in an electric field of 40V cm^(-1). If e//...

    Text Solution

    |

  6. Three charges Q, (+q) and (+q) are placed at the vertices of an equila...

    Text Solution

    |

  7. A positively charge particle moving along x-axis with a certain veloci...

    Text Solution

    |

  8. Electric potential at any point is V = - 5 x + 3y + sqrt(15) z, then t...

    Text Solution

    |

  9. The work done in bringing a 20 coulomb charge from point A to point B ...

    Text Solution

    |

  10. A hollow sphere of charge does not produce an electric field at any-

    Text Solution

    |

  11. If 4 xx 10^(20)eV energy is required to move a charge of 0.25 coulomb ...

    Text Solution

    |

  12. Kinetic energy of an electron accelerated in a potential difference of...

    Text Solution

    |

  13. A drop of 10^(-6) kg water carries 10^(-6) C charge. What electric fie...

    Text Solution

    |

  14. A charged particle of mass 0.003 g is held stationary in space by plac...

    Text Solution

    |

  15. Two point charges +9e and +e are kept 16 cm. Apart from each other. Wh...

    Text Solution

    |

  16. If 3 charges are placed at the vertices of equilateral triangle of cha...

    Text Solution

    |

  17. The distance between charges 5.0xx10^(-11)C and -2.7xx10^(-11)C is 0.2...

    Text Solution

    |

  18. If identical charges (-q) are placed at each corner of a cube of side ...

    Text Solution

    |

  19. An electron having charge 'e' and mass 'm' is moving a uniform electri...

    Text Solution

    |

  20. Cathode rays travelling from east to west enter into region of electri...

    Text Solution

    |