Home
Class 12
PHYSICS
A particle A having a charge of 2.0xx 1...

A particle A having a charge of `2.0xx 10^(-6)` C and a mass of 100 g is placed at the bottom of a smoth inclined plane of inclination `30@` . Where should another particle B, having same charge and mass, be placed on the incline so that it may remain in equilibrium?

A

`27cm`

B

`16cm`

C

`30cm`

D

`45cm`

Text Solution

Verified by Experts

The correct Answer is:
1
`mg sintheta=(1)/(4piepsilon_(0))(q^(2))/(r^(2))`
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS AND GAUSS LAW

    NARAYNA|Exercise Level III (C.W)|55 Videos

  • ELECTROSTATICS AND GAUSS LAW

    NARAYNA|Exercise Level 1|8 Videos

  • ELECTROSTATICS AND GAUSS LAW

    NARAYNA|Exercise Level 1(C.W)|24 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    NARAYNA|Exercise ADDITIONAL PROBLEMS|14 Videos

  • EXPERIMENTAL PHYSICS

    NARAYNA|Exercise Comprehension type|6 Videos

Similar Questions

Explore conceptually related problems

A particle A having charge of 2.0xx10^-6C and a mass of 100 g is fixed at the bottomk of a smooth inclined plane of inclination 30^@ . Where should another particle B having same charge and mass, be placed o the inclined plane so that B may remain in equilibrium?

(a) Two charged particles , each charge q , are joined by an insultating string of length L and system is kept on smooth surface. Find tension in the string. (b) A particle having charge Q_(0) is placed directly below and at separation d from the bob of simple pendulum at rest. The mass of the bob is m . What charge should be given to bob so that string becomes loose ? ( c) A particle A having charge q and mass m is placed at the bottom of a smooth inclined plane of inclination theta . Where should a block B , having same charge and mass , be placed on the incline so that it may remain in equilibrium ?

A block of mass 10kg is pushed up on a smooth incline plane of inclination 30^(@) , so that it has acceleration 2m//s^(2) . The applied force is

A particle of mass 0.2 kg has an intial speed of 5 ms^(-1) at the bottom of a rough inclined plane of inclination 30^(@) and vertical height 0.5 m . What is the speed of the particle as it reaches the top of the inclined plan ? (Take mu = 1//sqrt3 , g = 10 ms^(-2) ) .

Two particles A and B having charges 8.0 xx 10 ^(-6) C and -2.0 xx 10^(-6) C respectively are held fixed with a. separation of 20cm. Where should a third charged. particle be placed so that it dose not experience a net electric force?.

A particle is fired horizontally form an inclined plane of inclination 30^@ with horizontal with speed 50 ms^-1 . If g=10 ms^-2 , the range measured along the incline is

A body of mass 5 kg is moved up over 10 m along the line of greatest slope of a smooth inclined plane of inclination 30^@ with the horizontal. If g = 10 m//s^(2) , the work done will be

A particle having a charge of 2.0xx10^(-4) C is placed directly below and at a separtion of 10 cm from the bob of a simple pendulum at rest. The mass of the bob is 100g. What charge should the bob be given so that the string becomes loose?

A particle (P) is projected at an angle of 82^(@) from horizontal with a velocity 6sqrt2 m//s from the bottom of an inclined plane, having angle of inclination 37^(@) At the same instant, another particle: Q is released from a heighth on a smooth incline plane. If after some time both particles collide, then find the (a) value of time after which they collide, (b) the height h

NARAYNA-ELECTROSTATICS AND GAUSS LAW-Level II(C.W)
  1. Electrical force between two point charge is 200N, if we increase 10% ...

    Text Solution

    |

  2. N fundamental charges each of charge q are to be distributed as two po...

    Text Solution

    |

  3. A particle A having a charge of 2.0xx 10^(-6) C and a mass of 100 g i...

    Text Solution

    |

  4. Two identical particles of charge q each are connected by a masless sp...

    Text Solution

    |

  5. In a figure shown the electric field intenisity at r=1,r=6m,r=9m and V...

    Text Solution

    |

  6. Point charge of 3xx10^(-9)C are situated at each of three corners of a...

    Text Solution

    |

  7. A large flat metal surface has a uniform charge density +sigma. An ele...

    Text Solution

    |

  8. n charges Q,4Q,9Q,16Q…. are placed at distance of 1,2,3….. metre form ...

    Text Solution

    |

  9. Two point charge q(1)=2muC and q(2)=1muC are placed at distance b=1 an...

    Text Solution

    |

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

    Text Solution

    |

  11. Three charge -q,+q and -q are kept at the veticles of an equllateral t...

    Text Solution

    |

  12. Two charge each Q are released when the distance between is d .Then th...

    Text Solution

    |

  13. An oil drop carrying charge Q is held in equilibrium by a potential di...

    Text Solution

    |

  14. A body of mass one gram and carrying a charge 10^(-8)C passes through ...

    Text Solution

    |

  15. Three charges each20muC are placed at the corners of an equilateral tr...

    Text Solution

    |

  16. An electric field is expresed as vec(E)=2hat(i)+3hat(j) The potential ...

    Text Solution

    |

  17. (Figure 3.139) shows three circular arcs, each of radius R and total c...

    Text Solution

    |

  18. Two identies conducting very large plates P(1) and P(2) having charges...

    Text Solution

    |

  19. An electric dipole cosnists of two opposite charges of magnitude 1muC ...

    Text Solution

    |

  20. An electric dipole is formed two particles fixed at the ends of a ligh...

    Text Solution

    |