Home
Class 12
PHYSICS
The number of electrons to be put on a s...

The number of electrons to be put on a spherical conductor of radius 0.1 m to produce on electric field of 0.036 N/C just above its surface is

A

`2.7 xx 10^(5)`

B

`2.6 xx 10^(5)`

C

`2.5 xx 10^(5)`

D

`2.4 xx 10^(5)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II INTENSITY OF ELECTRIC FIELD) (LEVEL - II (MAIN) STRAIGHT OBJECTIVE TYPE QUESTION)|10 Videos

  • ELECTROSTATICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II INTENSITY OF ELECTRIC FIELD) (LEVEL - II (MAIN) MORE THAN ONE ANSWER TYPE QUESTION)|1 Videos

  • ELECTROSTATICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - I COULOMB.S INVERSE SQUARE LAQW) (LEVEL - II (ADVANCED LINKED COMPREHENSION TYPE QUESTION)|3 Videos

  • ELECTROMAGNETICS

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|6 Videos

  • ELEMENTS OF VECTORS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|9 Videos

Similar Questions

Explore conceptually related problems

A potential difference is applied between the ends of a conductor of uniform radius 1.5 mm. It results in an electric field of strength 250 V/m along the length of conductor. Find the resistivity of the material if current in the conductor is 2A.

All electrons ejected from a metal surface by the incident light of wavelength 200 nm can be stopped before travelling 1 m in the direction of uniform electric field of 4NC^(-1) . The work function of the metal surface is

What is the excess of pressure inside a spherical drop of water of radius 1mm. Surface tension of water is 70xx10^(-3)N//m .

The maximum number of electrons that can have the set of quantum numbers, n=4, m_(l)=0 and m_(s)=1/2 is

AAKASH SERIES-ELECTROSTATICS-PRACTICE SHEET (EXERCISE - II INTENSITY OF ELECTRIC FIELD) (LEVEL - I (MAIN) STRAIGHT OBJECTIVE TYPE QUESTION)
  1. Two point charges Q and -3Q are placed at some distance apart. If the ...

    Text Solution

    |

  2. The electric field at (30,30) cm due to a charge of - 8 nC at the orig...

    Text Solution

    |

  3. Two charges 4 xx 10^(-9) and - 16 xx 10^(-9) C are separated by a dist...

    Text Solution

    |

  4. The number of electrons to be put on a spherical conductor of radius 0...

    Text Solution

    |

  5. The magnitude of electric intensity at a distance .x. from a charge .q...

    Text Solution

    |

  6. A sphere of mass 50 gm is suspended by a string in an electric field o...

    Text Solution

    |

  7. A and B are two points separated by a distance 5 cm. Two charges 10 mu...

    Text Solution

    |

  8. At the corners A,B,C of a square ABCD, charges 10 mC, -20mC are placed...

    Text Solution

    |

  9. A charged oil drop is suspended in unifrom of 3 xx 10^(4) V/m so that ...

    Text Solution

    |

  10. A particle of mass .m. and charge q is placed at rest in a unifrom el...

    Text Solution

    |

  11. A proton and an alpha-particle start from rest in a uniform electric f...

    Text Solution

    |

  12. In a regular hexagon each corner is at a distance 'r' from the centre....

    Text Solution

    |

  13. A point charge 50muC is located in the XY plane at the point of positi...

    Text Solution

    |

  14. Four identical charges Q are fixed at the four corners of a square of ...

    Text Solution

    |

  15. The electric field at distance .r. from infinte line of charge ("havin...

    Text Solution

    |

  16. Electric field at centre of quarter circular ring having charge densit...

    Text Solution

    |

  17. A charged disc of radius 3 m has charge density sigma. Electric field ...

    Text Solution

    |

  18. (A): A electric field in front of infinite charged sheet is independen...

    Text Solution

    |

  19. A solid non conducting sphere has charge density pCm^(-3) Electric fie...

    Text Solution

    |

  20. A hollow sphere has charge density .sigma.Cm^(-2). Idensity incorrect ...

    Text Solution

    |