Home
Class 12
PHYSICS
A solid sphere having radius R and unifo...

A solid sphere having radius R and uniform charge density `rho` has a cavity of radius `R/2` as shown in figure.Find the value of `|E_A /E_B|`

A

`18/19`

B

`11/17`

C

`9/17`

D

`9/19`

Text Solution

Verified by Experts

The correct Answer is:
C

NA
Promotional Banner

Topper's Solved these Questions

  • JEE MAINS

    JEE MAINS PREVIOUS YEAR ENGLISH|Exercise Chemistry|1 Videos

Similar Questions

Explore conceptually related problems

The electric potential due to uniformly charged sphere of radius R ,having volume charge density rho having a spherical cavity of radius R/2 as shown as in figure at point p is

An infinitely long solid cylinder of radius R has a uniform volume charge density rho . It has a spherical cavity of radius R//2 with its centre on the axis of cylinder, as shown in the figure. The magnitude of the electric field at the point P , which is at a distance 2 R form the axis of the cylinder, is given by the expression ( 23 r R)/( 16 k e_0) . The value of k is . .

A thick shell with inner radius R and outer radius 3R has a uniform charge density sigma c//m^(3) . It has a spherical cavity of radius R as shown in the figure. The electric field at the centre of the cavity is

A sphere of radius 2R and mas M has a spherical cavity of radius R as shown in the figure. Find the value of gravitational field at a point P at a distance of 6R from centre of the sphere.

A non conducting solid sphere of mass m and radius R having uniform charge density +rho and -rho as shown in figure. It is then placed on a rough non conducting horizontal plane. At t=0 a uniform electric field vecE=E_(0)hati N//C is switched on and the solid sphere starts rolling with sliding. The magnitude of frictional force at t=0 is (2rhopiR^(3)E_(0))/K . Find the value of K

A solid sphere having uniform charge density rho and radius R is shown in figure. A spherical cavity ofradius (R)/(2) is made in it. What is the potential at point O?

Inside a fixed sphere of radius R and uniform density rho , there is spherical cavity of radius (R )/(2) such that surface of the cavity passes through the centre of the sphere as shows in figure. A particle of mass m_(0) is released from rest at centre B of the cavity. Caculate velocity with which particle strikes the centre A of the sphere. Neglect earth's gravity. Initially sphere and particle are at rest.

A conducting sphere of radius r has a charge . Then .

A hollow sphere having uniform charge density rho (charge per unit volume) is shown in figure. If b = 2a and potential difference between A and B is (rhoa^(2))/(n epsi_(0)) . Then find the value of n :

A solid of radius 'R' is uniformly charged with charge density rho in its volume. A spherical cavity of radius R/2 is made in the sphere as shown in the figure. Find the electric potential at the centre of the sphere.

JEE MAINS PREVIOUS YEAR ENGLISH-JEE MAIN-All Questions
  1. Two immiscible liquids of refractive index sqrt 2 and 2sqrt2 are fille...

    Text Solution

    |

  2. The identical solid sphere each having mass m and diameter d are touch...

    Text Solution

    |

  3. A solid sphere having radius R and uniform charge density rho has a ca...

    Text Solution

    |

  4. Consider an infinitely long current carrying cylindrical straight wire...

    Text Solution

    |

  5. Find current in the wire BC.

    Text Solution

    |

  6. Electric field and magnetic field in a region of space are given by(Ē=...

    Text Solution

    |

  7. Two ideal di-atomic gases A and B. A is rigid, B has an extra degree o...

    Text Solution

    |

  8. An ideal liquid (water) flowing through a tube of non-uniform cross se...

    Text Solution

    |

  9. A screw gauge advances by 3mm in 6 rotations. There are 50 divisions o...

    Text Solution

    |

  10. A telescope of aperture diameter 5m is used to observe the moon from t...

    Text Solution

    |

  11. A particle of mass m is revolving around a planet in a circular orbit ...

    Text Solution

    |

  12. Two particles of same mass 'm' moving with velocities vecv1= vhati, an...

    Text Solution

    |

  13. Three waves of same intensity (I0) having initial phases 0, pi/4 , - ...

    Text Solution

    |

  14. Particle moves from point A to point B along the line shown in figure ...

    Text Solution

    |

  15. For the given P-V graph for an ideal gas, chose the correct V-T graph....

    Text Solution

    |

  16. Given: vec p = - hati -3 hatj + 2hatk and vec r = hati + 3 hatj + 5ha...

    Text Solution

    |

  17. Photons of wavelength 6556 A^@ falls on a metal surface. If ejected el...

    Text Solution

    |

  18. A rod of length 1 m is released from rest as shown in the figure below...

    Text Solution

    |

  19. In a fluorscent lamp choke (a small transformer) 100V of reverse volta...

    Text Solution

    |

  20. A wire of length l = 3m and area of cross section 10^(-2) cm^2 and bre...

    Text Solution

    |