Home
Class 12
PHYSICS
The electric potential decreases unifro...

The electric potential decreases unifromly from 120 V to 80 V as one moves on the x-axis from x=-1 cm to x=+1 cm. The electric field at the origin

A

must be equal to 20V/cm

B

may be equal to 20V/cm

C

may be greater than 20V/cm

D

may be less than 20V/cm

Text Solution

Verified by Experts

The correct Answer is:
A
`E= (-Delta V)/(Delta r)`
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    NARAYNA|Exercise Exercise -1 (H.W)|43 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    NARAYNA|Exercise Exercise-2(C.W)|53 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    NARAYNA|Exercise C.U.Q (Van De Graff Generator )|2 Videos

  • ELECTROMAGNETIC WAVES

    NARAYNA|Exercise EXERCISE -4|15 Videos

  • ELECTROSTATICS AND GAUSS LAW

    NARAYNA|Exercise Intergers type question|11 Videos

Similar Questions

Explore conceptually related problems

The electric potential decreases uniformly from 180V to 20V as one moves on the X-axis from x=-2cm to x= +2cm . The electric field at the origin:

The electric potential decreases Wliforrnly from 1 00 V to 50 V as one moves on the y-axis from y = -Im toy= + l m. The electric field at the origin :

The electric potential decreases uniformly from 100 V to 50 V as one moves along the x-axis from x = 0 to x = 5 m . The electric field at x = 2 m must be equal to 10 V//m . Is this statement true or false.

The gravitational potential changes uniformly from -20 j/kg to -40 J/kg as one moves along x-axis from x = -1m to x = +1m. Then gravitational field at origin

The electric potential decreases uniformly from V to -V along X-axis in a coordinate system as we moves from a point (-x_(0), 0) to (x_(0), 0) , then the electric field at the origin:

The electric potential V at any point (x,y,z) , all in meters in space is given by V= 4x^(2) volt. The electric field at the point (1,0,2) in volt//meter is

The electric potential V at any point x, y, z (all in meters) in space is given by V=4x^2 volts. The electric field at the point (1m, 0, 2m) is…………….. V//m .

The electric potential V at any point x,y,z (all in metre) in space is given by V=4x^2 volt. The electric field at the point (1m, 0, 2m) is …………… V/m .

NARAYNA-ELECTROSTATIC POTENTIAL AND CAPACITANCE-Exercise -1 (C.W)
  1. There is an electric field E in x-direction. If the work done on movin...

    Text Solution

    |

  2. The electric potential V (in volt) varies with x (in metre) according ...

    Text Solution

    |

  3. The electric potential decreases unifromly from 120 V to 80 V as one ...

    Text Solution

    |

  4. Charges +q -4q and +2q are arranged at the corners of an equilateral t...

    Text Solution

    |

  5. Three charges -q, Q and -q are placed at equal distances on a straight...

    Text Solution

    |

  6. A system consists of two charges 4 mu C and -3 muC with no external fi...

    Text Solution

    |

  7. (a) In a quark model of elementary particles, a neutron is made of one...

    Text Solution

    |

  8. A dipole of electric dipole moment p is placed in a uniform electric f...

    Text Solution

    |

  9. The work done in deflecting a dipole through 180^(@) from field direct...

    Text Solution

    |

  10. Two conducting spheres of radii r(1) and r(2) are equally charged. The...

    Text Solution

    |

  11. A conducting sphere of radius R is charged to a potential of V volts. ...

    Text Solution

    |

  12. A non conducting sphere of radius R is charged uniformly. At what dist...

    Text Solution

    |

  13. Two charged spherical conductors of radii R(1) and R(2) when connected...

    Text Solution

    |

  14. Consider two concentric spherical metal shells of radii r1" and "r2(r2...

    Text Solution

    |

  15. The radii of two charged metal spheres are 5cm and 10cm both having th...

    Text Solution

    |

  16. The capacity of a parallel plate condenser consisting of two plates ea...

    Text Solution

    |

  17. Sixty four spherical drops each of radius 2 cm and carrying 5 C charge...

    Text Solution

    |

  18. A highly conducting sheet of aluminium foil of negligible thickness is...

    Text Solution

    |

  19. Two metal plates are separated by a distance d in a parallel plate con...

    Text Solution

    |

  20. A radio capacitor of variable capacitance is made of n parallel plates...

    Text Solution

    |