Home
Class 11
PHYSICS
ABC is a right angled triangle in which...

ABC is a right angled triangle in which `AB = 3cm` and `BC = 4cm` and `angleABC=pi/2`. The three charges `+15,+12, -20` e.s.u are placed respectively on A, B and C. the force acting on B is

A

125 dyne

B

35 dyne

C

25 dyne

D

zero

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos
  • FORCE

    TARGET PUBLICATION|Exercise Evaluation Test|18 Videos

Similar Questions

Explore conceptually related problems

Draw right angled triangle with base 3.2 cm and height 4.3 cm.

If in a triangle ABC, a=5, b=4 and A=pi/2 +B, then the value of tan ""C/2 is-

triangle ABC ~ triangle XYZ , AB:XY=3:5, BC=9 cm, AC=4.5 cm. Find YZ and XZ.

In triangle ABC, if A = 2B, and the sides opposite to the angles A, B, C are alpha+1,alpha-1andalpha respectively, then alpha =

A conductor in the form of a right angle ABC with AB=3 cm and BC = 4 cm carries a current of 10 A .There is a uniform magnetic field of 5 T perpendicular to the palne of the conductor. The force on the conductor will be

In triangle ABC, AB=6 sqrt 3 cm , AC=12 cm, BC=6 cm. Find measure of /_B

Triangle ABC is such that, AB=3 cm, BC=2 cm and AC=2.5 cm. Triangle DEF ~ Triangle ABC. If EF=4 cm, then the perimeter of Triangle DEF?

TARGET PUBLICATION-ELECTROSTATICS-EXCERCISE
  1. Three charges 4q, Q and q are in a straight line in the position 0, l/...

    Text Solution

    |

  2. Two small spheres each having the charge +Q are suspende by insulating...

    Text Solution

    |

  3. ABC is a right angled triangle in which AB = 3cm and BC = 4cm and ang...

    Text Solution

    |

  4. Electric charges of 1muC, -1muC and 2muC are placed in air at the corn...

    Text Solution

    |

  5. A charge q is placed at the centre of the line joining two equal charg...

    Text Solution

    |

  6. Equalc harges q are placed at four corners A, B, C and D of a square o...

    Text Solution

    |

  7. Infinite number of spheres, each of mass m are placed on the X-axis at...

    Text Solution

    |

  8. The figure shows some of the electric field lines corresponding to an ...

    Text Solution

    |

  9. What is the magnitude of a point charge due to which the electric fiel...

    Text Solution

    |

  10. The distance between the two charges 25 muC and 36 muC is 11 cm. at wh...

    Text Solution

    |

  11. Two equal charges q are placed at the vertices A and B of an equilater...

    Text Solution

    |

  12. Which among the curves shown in figure below can possibly represent el...

    Text Solution

    |

  13. A conducting sphere of radius R= 20 cm is given a charge Q= 16 mu C. W...

    Text Solution

    |

  14. Charges q, 2q, 3q, 4q are placed at the corners A, B, C and D of a squ...

    Text Solution

    |

  15. The insulation property of air breaks down at E=3xx10^6 '(vo l t)/(met...

    Text Solution

    |

  16. The number of electrons to be put on a sphreical conductor of radius 0...

    Text Solution

    |

  17. If the magnitude of intensity of electric field at a distance x on axi...

    Text Solution

    |

  18. One of the following is not a property of field lines

    Text Solution

    |

  19. The wrong statement about electic lines of force is

    Text Solution

    |

  20. Assertion : electric flux represents the number of electric lines pas...

    Text Solution

    |