Two indentical metallic spheres A and ...

Two indentical metallic spheres A and B, each carrying a charge q repel each other with a force F. A third metallic uncharged sphere C of the same size is made to touch the spheres A and B alternately and then removed away. What is the force of repulsion between A and B ?

3F/8

3F/11

3F/14

None

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

ELECTRIC CHARGES AND FIELDS
MODERN PUBLICATION|Exercise COMPETITION FILE ( Objective Question (BA.MCQ) )|26 Videos
ELECTRIC CHARGES AND FIELDS
MODERN PUBLICATION|Exercise COMPETITION FILE ( Objective Question (BA.MCQ))|3 Videos
ELECTRIC CHARGES AND FIELDS
MODERN PUBLICATION|Exercise Revision Exercises (Numerical Problems )|7 Videos
DUAL NATURE OF RADIATION AND MATTER
MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|15 Videos
ELECTROMAGNETIC INDUCTION
MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST FOR BOARD EXAMINATION|14 Videos

Similar Questions

Explore conceptually related problems

There are two small identical metallic spheres A and B each carrying same charge. These two spheres are found to repel each other with a force P. A third identical neutral metal sphere C is first brought in contact with A and then B. The sphere C is taken away from A and B. The magnitude of electric force now is found to be 3F/x. What is x?

There are two charged identical metal spheres A and B repel each other with a force 3xx10^(-5)N . Another identical uncharged sphere C is touched with A and then placed at the mid-point between A and B. Net force on C is

Two similarly and equally charged identical metal spheres A and B repel each other with a force of 2xx10^(-5)N . A third identical unchared sphere C is touched with A and then placed at the midpoint between A and B. Find the net electric force on C.

Two identical metal spheres A and B have equal and similar charges. They repel each other with a force 103N, when they are placed 10cm apart in a medium of dielectric constant 7. Determine the charge on each sphere.

Two equally charged identical metal spheres X and Y repel each other with a force 5* 10^-4* N another identical uncharged sphere C is touched to A and then placed at the mid-point between X and Y. Net electric force on C is

Two insulated identically sized charged copper spheres A and B have their centers separated by a distance of 50 cm. A third sphere of the same size but uncharged is brought in contact with the first, then in contact with the second and finally removed from both. What is the new force of repulsion between A and B?

MODERN PUBLICATION-ELECTRIC CHARGES AND FIELDS -COMPETITION FILE ( Objective Question (A.MCQ) )

Two indentical metallic spheres A and B, each carrying a charge q ...
Text Solution
|
Two identical conducting sphere carrying different charges attract eac...
Text Solution
|
Two equal negative charges -q are fixed at points (0, -a) and (0,a) on...
Text Solution
|
A 5 g weight is fastened to two helium-filled balloons with the help o...
Text Solution
|
The electric field due to a small dipole of length 2l at distance r ...
Text Solution
|
Two unequal and opposite charges are kept fixed at a distance. What is...
Text Solution
|
Two charges of same polarity are kept fixed at a distance. What is the...
Text Solution
|
An electric dipole is kept inside a uniform electric field. If Fis the...
Text Solution
|
There is a long straight wire, uniformly charged over length. A negati...
Text Solution
|
The bob of a pendulum is positively charged.Another identical charge i...
Text Solution
|
A positively charged point object is kept fixed at its location and an...
Text Solution
|
A uniform electric field vecE directed vertically upwards exists in a ...
Text Solution
|
A total of 9 muC charge in distributed between two point objects. When...
Text Solution
|
A charged ball B hangs from a silk thread S, which makes an angle thet...
Text Solution
|
A charge Q is uniformly distributed over one large insulating surface ...
Text Solution
|
A point charge is brought in an electric field. The electric field at ...
Text Solution
|
An electron and proton are placed inside a uniform electric field.
Text Solution
|
A positive charge q is placed in front of a conducting solid cube at a...
Text Solution
|
Two identical point charges are kept at a distance d. A third point ch...
Text Solution
|
A particle of mass m and charge q is thrown at a speed u against a uni...
Text Solution
|