Home
Class 11
PHYSICS
Two identical small conducting spheres h...

Two identical small conducting spheres having unequal positive charges `q_1` and `q_2` are separated by a distance r. If they are now made to touch each other and then separated again to the same distance, the electrostatic force between them in this case will be

A

less than before

B

same as before

C

more than before

D

can't predict

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    DC PANDEY ENGLISH|Exercise JEE Advanced|44 Videos
  • ELECTROSTATICS

    DC PANDEY ENGLISH|Exercise Comprehension|36 Videos
  • ELASTICITY

    DC PANDEY ENGLISH|Exercise Medical entrances s gallery|21 Videos
  • EXPERIMENTS

    DC PANDEY ENGLISH|Exercise Subjective|15 Videos

Similar Questions

Explore conceptually related problems

Find out potential energy of the two point charge system having charges q_(1) and q_(2) separated by distance r.

Two identical conductiing balls A and B have positive charges q_(12) and q_(2) respectively. But q_(1) ne q_(2) . The balls are brought together so that they touchj each each other and then kept in their original positions .The force between them is

The force between two similar charges of magnitude 2C each separated by a distance 2km

Two unlike charges of magnitude q are separated by a distance 2d . The potential at a point midway between them is

Two spheres of electric charges +2nC and -8nC are placed at a distance d apart. If they are allowed to touch each other, whatis the new distance between them to get a repulsive force of same magnitude as before?

Two positive point charges q_1=16muC and q_2=4muC are separated in vacuum by a distance of 3.0m . Find the point on the line between the charges where the net electric field is zero.-

-10mu C, 40 mu C and q are the charges on three identical conductors P,Q and R respectively, Now P and Q attract each other with a force F when they are separated by a distance d. Now P and Q are made in contact with each other and then separated . Again Q and R are touched and they are separated by a distance 'd' . The repulsive force between Q and R is 4F . Then the charge q is:

Two small conducting spheres of equal radius have charges + 10 muC and -20 muC respectively and placed at a distance R from each other. They experience force F_(1) . If they are brought in contact and separated to the same distance, they experience force F_(2) . The ratio of F_(1) to F_(2) is

If two identical spheres having charge 16 mu C and -8 mu C are kept at certain distance apart , then the force if F. They are touched and again kept at the same distance , the force becomes.

Two charge +q and -q are placed at distance r. Match the following two columns when distance between them is charged to r'.

DC PANDEY ENGLISH-ELECTROSTATICS-Integer
  1. Two identical small conducting spheres having unequal positive charges...

    Text Solution

    |

  2. The centres of two identical small conducting sphere are 1 m apart. Th...

    Text Solution

    |

  3. In the circuit as shown in the figure the effective capacitance betwee...

    Text Solution

    |

  4. A 2 mu F condenser is charged upto 200 volt and then battery is remove...

    Text Solution

    |

  5. A hollow sphere of radius 2R is charged to V volts and another smaller...

    Text Solution

    |

  6. Consider the circuit shown in the figure. Capacitors A and B, each hav...

    Text Solution

    |

  7. Four point charge q, - q, 2Q and Q are placed in order at the corners ...

    Text Solution

    |

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

    Text Solution

    |

  9. Two identical charges are placed at the two corners of an equilateral ...

    Text Solution

    |

  10. There are four concentric shells A,B, C and D of radii a,2a,3a and 4a ...

    Text Solution

    |

  11. A solid conducting sphere of radius a having a charge q is surrounde...

    Text Solution

    |

  12. Electric field at the centre of uniformly charge hemispherical shell o...

    Text Solution

    |

  13. In the circuit given below, the charge in muC, on the capacitor having...

    Text Solution

    |

  14. A parallel plate capacitor is connected to a battery of emf V volts. N...

    Text Solution

    |

  15. Four identical metal plates are arranged as shown plates 1 and 4 are c...

    Text Solution

    |

  16. Four identical positive point charges Q are fixed at the four corners ...

    Text Solution

    |

  17. There is an infinite line of uniform linear density of charge +lamda. ...

    Text Solution

    |

  18. Two identical capacitors haveng plate separation d(0) are connected pa...

    Text Solution

    |