Home
Class 12
PHYSICS
Assertion : Electric potential of earth ...

Assertion : Electric potential of earth is taken zero.
Reason : No electric field exists on earth surface.

A

If both assertion and reason are true and reason is the correct explanation of assertion

B

If both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but reason is false

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C

Electric potential of earth is taken as zero, because the capacitance of earth is taken infinite.
Promotional Banner

Topper's Solved these Questions

  • AIIMS 2008

    AIIMS PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos
  • AIIMS 2010

    AIIMS PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos

Similar Questions

Explore conceptually related problems

The electric potential of earth is taken to be zero because earth is a good

Statement-1 : Electric potential of earth is taken to be zero as a reference. Statement-2 : The electric field produced by earth in surrounding space is zero.

Assertion: If electric potential remains constant along a path in electric field, then the electric field must be zero. Reason: The negative of an electric potential gradient in a direction is equal to the component of electric field in that direction.

Assertion: The potential of grounded object is taken to be zero. Reason: Capacitance of the earth's very large.

Assertion: Electric potential on the surface of a charged sphere of radius R is V. Then electric field at distance r=R/2 from centre is V/(2R) . Charge is distributed uniformly over the volume. Reason: From centre to surface, electric field varies linearly with r. Here r is distance from centre.

Statement :-A:-Electrical potential may exist at a point where the electrical potential field is zero. Statement B:- Electrical field may exist at a point where the electircal potential is zero. Statement C:- The electric potential inside a charge conducting sphere is constant .

Assertion (A): Electric potenital at any point on the equatroial line of an electric dipoel is zero Reason (R ) :Electrons potential is scalar

Assertion: Electric lines of force cross each other Reason: Electric field at a point superimpose to give one resulant electric field

AIIMS PREVIOUS YEAR PAPERS-AIIMS 2009-PHYSICS
  1. Assertion : Liquid molecules have greater potential energy at the melt...

    Text Solution

    |

  2. Assertion : The bob of a simple pendulum is a ball full of water, if a...

    Text Solution

    |

  3. Assertion : Electric potential of earth is taken zero. Reason : No e...

    Text Solution

    |

  4. Assertion : A charge, whether stationary or in motion produces a magne...

    Text Solution

    |

  5. Assertion : Magnetic susceptibillity is a pure number. Reason : The...

    Text Solution

    |

  6. Assertion : Transformers are used only in alternating current source n...

    Text Solution

    |

  7. Assertion : A total reflecting prism is used to erect the inverted ima...

    Text Solution

    |

  8. Assertion : The edges of the images of white object formed by a conca...

    Text Solution

    |

  9. Statement-1: Photon has definite momentum though it has no rest mass. ...

    Text Solution

    |

  10. Assertion:- A photocell is called an electric eye. Reason:- The elec...

    Text Solution

    |

  11. Assertion : Nuclei having number about 60 are most stable. Reason : ...

    Text Solution

    |

  12. Assertion : In a common-emitter amplfier, the load resistnace of the o...

    Text Solution

    |

  13. Assertion : Most amplifiers use common emitter circuit configuration. ...

    Text Solution

    |

  14. Assertion : For an isothermal process in an ideal gas, the heat obsor...

    Text Solution

    |

  15. Assertion : When hot water is poured in a beaker of thick glass, the b...

    Text Solution

    |

  16. Assertion : Generally the path of a projectile from the earth is parab...

    Text Solution

    |

  17. Assertion : Angular speed of a planet around the sun increases, when i...

    Text Solution

    |

  18. Assertion : The size and shape of the rigid body remains unaffected un...

    Text Solution

    |

  19. Assertion : Impulsive force is large are acts for a short time. Rea...

    Text Solution

    |

  20. Assertion : The dimensional formula for product of resistance and cond...

    Text Solution

    |