Home
Class 12
PHYSICS
How many field lines would emanate f...

How many field lines would emanate from a 1 C positive charge placed in vacuum ?

Text Solution

Verified by Experts

Number of lines emanated
` ( 1 ) /( in _ 0 ) = ( 1 ) /( 8.854 xx 10 ^( -12)) = 1.129 xx 10 ^ ( 11 ) `
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC FIELD

    CHHAYA PUBLICATION|Exercise SECTION RELATION QUESTIONS|50 Videos
  • ELECTRIC FIELD

    CHHAYA PUBLICATION|Exercise HIGHER ORDER THINKING SKILL QUESTIONS|33 Videos
  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|7 Videos
  • ELECTRIC POTENTIAL

    CHHAYA PUBLICATION|Exercise CBSE Scanner|13 Videos

Similar Questions

Explore conceptually related problems

What is the electric field intensity at a distance r from a charge q placed in vacuum ?

Define electric potential. Determine the electric potential at a distance r from a point charge q placed in vacuum. What would be the change in the potential if the charge is placed in a medium of dielectric constant k?

Draw the lines of force for an isolated positive charge

Two negative charges each of 1 unit and a positive charge q are placed on a straight line. Where should the charge q be placed and what should be its value for equilibrium of the charges? Is this equilibrium stable, unstable or neutral ?

Figs, (a) and (b) show the field lines of a positive and negative point charge respectively. Give the sign of the work done by the field in moving a- small positive charge from Q to P.

Two negative charges each of 1 unit and a positive charge q are placed along a straight line. Find the magnitude and position of q for which all the chargews will remain at equilibrium? Is the equilibrium stable, unstable or neutral in this case?

How do histones acquire positive charge?

How many electrons carry 4 coulomb of charge ?

Figs, (a) and (b) show the field lines of a positive and negative point charge respectively. Give the sign of the potential energy difference of a small negative charge between the points .Q and P, A and B.

A negative charge of 20 units is placed at a distance 50 cm away from a positive charge of 80 unit. Where will the electric field be zero on the line joining the two charges?

CHHAYA PUBLICATION-ELECTRIC FIELD-CBSE SCANNER
  1. How many field lines would emanate from a 1 C positive charge ...

    Text Solution

    |

  2. A charge q is placed at the centre of a cube of side l. What is the el...

    Text Solution

    |

  3. An electric dipole is held in a uniform electric field. Show that th...

    Text Solution

    |

  4. An electric dipole is held in a uniform electric field. The dipole i...

    Text Solution

    |

  5. A charge q is placed at the centre of a cube. What is the electric flu...

    Text Solution

    |

  6. A charge q is placed at the centre of a cube. What is the electric flu...

    Text Solution

    |

  7. Define electric dipole moment. Is it a scalar or a vector? Derive the ...

    Text Solution

    |

  8. Two charges of magnitudes -2Q and +Q are located at points (a, 0) and ...

    Text Solution

    |

  9. Using Gauss' law deduce the expression for the electric field due to a...

    Text Solution

    |

  10. Using Gauss' law deduce the expression for the electric field due to a...

    Text Solution

    |

  11. Why do the electrostatic field lines not form closed loops?

    Text Solution

    |

  12. Deduce the expression for the torque acting on a dipole of dipole mome...

    Text Solution

    |

  13. Consider two hollow concentric spheres S(1) and S(2) enclosing charges...

    Text Solution

    |

  14. Consider two hollow concentric spheres S(1) and S(2) enclosing charges...

    Text Solution

    |

  15. A point charge +Q is placed in the vicinity of a conducting surface. T...

    Text Solution

    |

  16. Define electric electric flux. Write its SI unit.

    Text Solution

    |

  17. Using Gauss' law, obtain the electric flux due to a point charge q enc...

    Text Solution

    |

  18. Show that the electric field due to a uniformly charged infinite plane...

    Text Solution

    |

  19. What is the amount of work done in moving a point charge Q around a ci...

    Text Solution

    |

  20. Find the electric field intensity due to a uniformly charged spherical...

    Text Solution

    |

  21. Find the electric field intensity due to a uniformly charged spherical...

    Text Solution

    |