Home
Class 11
PHYSICS
Three point charges of 1C, 2C and 3C are...

Three point charges of `1C, 2C` and `3C` are placed at the corners of an equilteral triangle of side `1m`. Calculate the work required to move these charges to the corners of a smaller equilateral triangle of side `0.5 m`.

A

`W_(w) gt W_(b)`

B

`W_(a) lt W_(b)`

C

`W_(a)=W_(b)`

D

`W_(a)=0` and `W_(b)=0`

Text Solution

Verified by Experts

The correct Answer is:
C
Work done by external force `=DeltaU` [It is state function]
Promotional Banner

Topper's Solved these Questions

  • MISCELLANEOUS

    ALLEN|Exercise Exersice-03|7 Videos

  • MISCELLANEOUS

    ALLEN|Exercise ASSERTION-REASON|18 Videos

  • MISCELLANEOUS

    ALLEN|Exercise Part -II Example Some worked out Examples|1 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|8 Videos

Similar Questions

Explore conceptually related problems

Three point charges 1C, 2C and 3C are placed at the corners of an equilaternal triangle of side 1m . The work required to move these charges to the corners of a smaller equilaternal triangle of side 0.5 m in two differenct ways as in fig. (A) and fig. (B) are W_(a) and W_(b) then:

Three points charges of 1 C, 2C and 3C are placed at the corners of an equilateral triangle of side 100 cm. Find the work done to move these charges to the corners of a similar equilateral triangle of side 50 cm.

Three points charges of 1 C, 2C and 3C are placed at the corners of an equilateral triangle of side 100 cm. Find the work done to move these charges to the corners of a similar equilateral triangle of side 50 cm.

Three pont charges q, q & - 2q placed, at the corners of equilateral triangle of side 'L ' Calculate work done by extemal force in moving all the charges far apart without acceleration

Three particle each of mass m are placed at the corners of equilateral triangle of side l Which of the following is/are correct ?

Three equal charge q_(0) each are placed at three corners of an equilateral triangle of side 'a'. Find out force acting on one of the charge due to other two charges ?

Three charges 2 mu C , -4 mu C and 8 mu C are places at the three vertices of an equilateral triangle of side 10 cm. The potential at the centre of triangle is

Find the area of an equilateral triangle having each side x\ c m

Three identical charges are placed at corners of a equilateral triangel of side l. If force between any two charges is F, the work required to double the dimensiions of triangle is

Three identical charges are placed at corners of a equilateral triangel of side l. If force between any two charges is F, the work required to double the dimensiions of triangle is

ALLEN-MISCELLANEOUS-Exercise-01
  1. A proton sists at coordinates (x,y)=(0, 0), and an electron at (d, h),...

    Text Solution

    |

  2. A positive point charge 50mu C is located in the plane xy at a point w...

    Text Solution

    |

  3. Three point charges of 1C, 2C and 3C are placed at the corners of an e...

    Text Solution

    |

  4. Rank the work required to assemble the charge distribution below from ...

    Text Solution

    |

  5. The are AB with the centre C and infinitely long wire having linear ch...

    Text Solution

    |

  6. The diagram shows the electric field lines produced by an electrostali...

    Text Solution

    |

  7. A charge +q is placed at the origin O of x-y axes as shoen in the figu...

    Text Solution

    |

  8. Two identical thin rings, each of radius R, are coaxially placed at a...

    Text Solution

    |

  9. Two identical particles of mass m carry a charge Q each. Initially one...

    Text Solution

    |

  10. In a regular polygon of n side, each corner is at a distance r from th...

    Text Solution

    |

  11. An alpha particle of energy 5 MeV is scattered through 180^(@) by a fi...

    Text Solution

    |

  12. In a uniform electric field a charge of 3 C experiences a force of 300...

    Text Solution

    |

  13. Uniform electric field of magnitude 100 Vm^-1 in space is directed alo...

    Text Solution

    |

  14. The equation of an equipotential line in an electric field is y = 2 x...

    Text Solution

    |

  15. In a certain region of space, the potential is given by : V=k[2x^(2)-y...

    Text Solution

    |

  16. (Figure 3.141) shows two equipotential lines in the x plane for an ele...

    Text Solution

    |

  17. The refreactive index of space changes with y, who function is given ...

    Text Solution

    |

  18. Three equal charges are placed at the corners of an equilateral triang...

    Text Solution

    |

  19. A non-conducting ring of radius 0.5 m carries a total charge of 1.11xx...

    Text Solution

    |

  20. Two point charges +q and -q are held fixed at (-a,0) and (a,0) respect...

    Text Solution

    |