Home
Class 12
PHYSICS
An infinitely long thin straight wire ha...

An infinitely long thin straight wire has uniform linear charge density of `1//3 "coul" m^(-1)` .Then the magnitude of the electric intensity at a point `18cm` away is

A

`0.33x10^(11)NC^(-1)`

B

`3xx10^(11)NC^(-1)`

C

`0.66xx10^(11)NC^(-1)`

D

`1.32xx10^(11)NC^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A

`E=lamda //2 pi epsilon_(0)r`
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    NARAYNA|Exercise EXERCISE -3|50 Videos
  • ELECTRIC CHARGES AND FIELDS

    NARAYNA|Exercise EXERCISE -4|43 Videos
  • ELECTRIC CHARGES AND FIELDS

    NARAYNA|Exercise EXERCISE -2 (C.W.)|39 Videos
  • DUAL NATURE

    NARAYNA|Exercise LEVEL-II (H.W)|17 Videos
  • ELECTRO MAGNETIC INDUCTION

    NARAYNA|Exercise Level-II (H.W)|23 Videos

Similar Questions

Explore conceptually related problems

If the linear charge density of a cylinder is 4 mu C m^(-6) ,then electric field intensity at point 3.6 cm from axis is :

An infinitely long time charge has linear charge density lamdaC//m the line charge is along the line x=0,z=2m find the electric field at point (1,1,1) m.

Two infinitely long thin styraight wires having uniform linear charge densities lambda and 2lambda are arranged parallel to each other at a distance r apart.The intensity of the electric field at a point midway between them is

A positively charged infinitely long cylinder has a radius of 0.1 m and surface charge density of 8.85xx10^(-12)C//m^(2) . What is the intensity of the electric field at a point on the surface of the cylinder, if the cylinder is kept in vacuum?

Figure shows a long wire having uniform charge density lambda as shown in figure. Calculate electric field intensity at point P.

An equilaterial triangle ABC has a side a. Two infinitely long thin straight wires having uniform linear charge densities ' lamda ' and '-lamda' are arranged at A and B perpendicular to the plante of the triangle. The magnitude of electric intensity at the third vertex c will be

If a long straight wire carries a current of 40 A, then the magnitude of the field B at a point 15 cm away from the wire is

A long wire with a uniform charge density lambda is bent in two configurations shown in fig. Determine the electric field intensity at point O.

An infinitely long wire is kept along z -axis from z= oo to z=oo , having uniform linear cahrges density (10)/(9) nC//m . The electric field at point (6 cm,8cm,10 cm) will be

NARAYNA-ELECTRIC CHARGES AND FIELDS-EXERCISE -2 (H.W)
  1. An electric dipole consists of two opposite charges of magnitude 1muC ...

    Text Solution

    |

  2. An electric dipole is formed by two particles fixed at the ends of a l...

    Text Solution

    |

  3. For an electric dipole consisting of a positive and equal negative cha...

    Text Solution

    |

  4. Two equal charges q of opposite sign are separated by a small distance...

    Text Solution

    |

  5. The inward and outward electric flux for a closed surface unit of N-m^...

    Text Solution

    |

  6. A cylinder of radius R and length L is placed in the uniform electric ...

    Text Solution

    |

  7. A cube of arranged such that its length ,breadth ,height are alongX,Y,...

    Text Solution

    |

  8. v33.2

    Text Solution

    |

  9. A sheet of semi circular paper (radius R) is turned around the centre ...

    Text Solution

    |

  10. In a uniform electric field find the total flux associated with the gi...

    Text Solution

    |

  11. An infinitely long thin straight wire has uniform linear charge densit...

    Text Solution

    |

  12. Consider two concentric spherical surface S(1) with radius a and S(2) ...

    Text Solution

    |

  13. The electric field on two sides of a large charged plate is shown in f...

    Text Solution

    |

  14. A Gausian sphere of radius r intercepts a line with a uniform charge d...

    Text Solution

    |

  15. A cube of side l is p laced in a uniform field E, where E=E hati. The ...

    Text Solution

    |

  16. A charge +q is placed at the mid point of a cube of side L. The electr...

    Text Solution

    |

  17. An injfinite large sheet has charg density sigma c//m^(2) Find electri...

    Text Solution

    |

  18. A charge of 8.85C is placed at the centre of a spherical Gaussian surf...

    Text Solution

    |

  19. The inward and outward electric flux for a closed surface unit of N-m^...

    Text Solution

    |

  20. The total flux linked with unit negative charge put in air is

    Text Solution

    |