Home
Class 12
PHYSICS
If a charge is moving towards the centre...

If a charge is moving towards the centre of an earthed conducting sphere of radius b with uniform velocity v. Distance of two points A and B from centre of sphere are 3a & 2a. Conducting sphere is earthed with an ammeter and resistance in series (as shown)

Net charge on surface of conductor at this instant

A

`+q`

B

`-q`

C

`-q(x)/(b)`

D

`-q(b)/(x)`

Text Solution

Verified by Experts

The correct Answer is:
D
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTROSTATICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE -IV ELECTRIC POTENTIAL & POTENTIAL ENERGY) (LEVEL - II (ADVANCED) MATRIX MATCHING TYPE QUESTIONS)|2 Videos

  • ELECTROSTATICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE -IV ELECTRIC POTENTIAL & POTENTIAL ENERGY) (LEVEL - II (ADVANCED) INTEGER TYPE QUESTIONS)|2 Videos

  • ELECTROSTATICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE -IV ELECTRIC POTENTIAL & POTENTIAL ENERGY) (LEVEL - II (ADVANCED) MORE THAN ONE CORRECT ANSWER TYPE QUESTION)|1 Videos

  • ELECTROMAGNETICS

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|13 Videos

  • ELEMENTS OF VECTORS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|10 Videos

Similar Questions

Explore conceptually related problems

If a charge q is moving towards the centre of an earthed conducting sphere of radius R with a velocity sqrt(2)aR m/s. Where a is positive constant. If current flowing in the ammeter shown in figure when q is at a distance aR sqrt(2) from centre of sphere. Is (q)/(asqrt(x)) find x.

If the potential at the centre of a uniformly charged hollow sphere of radius R is V, then electric field at a distance r from the centre of sphere will be (rgtR) .

In the shown figure, the charge appearing on the conducting shell (grounded) of Radius R, when a point charge q is kept at a distance of d from the centre of the sphere is:

A solid conducting sphere of radius r is having a charge of Q and point charge q is a distance d from the centre of sphere as shown. The electric potential at the centre of the solid sphere is :

A non-conducting solid sphere of radius R is uniformly charged. The magnitude of the electric filed due to the sphere at a distance r from its centre

The electric field at a distance 3R//2 from the centre of a charge conducting spherical shell of radius R is E . The electric field at a distance R//2 from the centre of the sphere is

The electric field at a distance 3R//2 from the centre of a charge conducting spherical shell of radius R is E . The electric field at a distance R//2 from the centre of the sphere is

A conducting sphere A of radius a, with charge Q, is placed concentrically inside a conducting shell B of radius b. B is earthed C is the common centre of the A and B.

Potential at a point x-distance from the centre inside the conducting sphere of radius R and charged with charge Q is

A conducting sphere of radius R is given a charge Q . The electric potential and the electric field at the centre of the sphere respectively are

Home
Profile