Home
Class 12
PHYSICS
A current flows in a conductor from east...

A current flows in a conductor from east to west. The direction of the magnetic field at a points above the conductor is

A

towards north

B

towards south

C

towards east

D

towards west

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC FIELD AND FORCES

    DC PANDEY ENGLISH|Exercise Assertion and reason|20 Videos

  • MAGNETIC FIELD AND FORCES

    DC PANDEY ENGLISH|Exercise Match the following|4 Videos

  • MAGNETIC FIELD AND FORCES

    DC PANDEY ENGLISH|Exercise Check point|54 Videos

  • INTERFERENCE AND DIFFRACTION OF LIGHT

    DC PANDEY ENGLISH|Exercise Level 2 Subjective|5 Videos

  • MAGNETICS

    DC PANDEY ENGLISH|Exercise MCQ_TYPE|1 Videos

Similar Questions

Explore conceptually related problems

Magnetic field at point O due to straight conductor PQ is

An electric current flows in a wire from north to south. What will be the direction of the magnetic field due to this wire at a point.

In a high tension wire electric current runs from eash to west. Find the direction of magnetic fielsd at points above and below the wire.

A constant current flows in a horizontal wire in the plane of the paper from east to west as shown in figure. The direction of magnetic field at a point will be North to South:

The same current I flows in two long parallel conductors at a distance 2d, as shown. The strength of the magnetic field at a point P, equidistant from both conductors, is

The current is flowing in south direction along a power line. The direction of magnetic field above the power line (neglecting earth's field) is

A current i ampere flows along the inner conductor of a coaxial cable and returns along the outer conductor fo the cable, then the magnetic induction at any point outside the conductor at a distance r metre from the axis is

(A): An induced current develop in a conductor moved in a direction parallel to the magnetic field. (R): An induced current is developed when the number of magnetic lines of force associated with conductor is changed.

Assertion : Current flows in a conductor only when there is an external electric field within the conductor. Reason: The drift velocity of the electrons is directly proportional to the electric field.

A horizontal overhead power lines carries a current of 90 A in east to west direction. What is the magnitude and direction of the magnetic field due to the current 1*5m below the line?

DC PANDEY ENGLISH-MAGNETIC FIELD AND FORCES-Taking it together
  1. Biot-Savart law indicates that the moving electrons (velocity vecv ) p...

    Text Solution

    |

  2. A current flows in a conductor from east to west. The direction of the...

    Text Solution

    |

  3. In a cyclotron, a charged particle

    Text Solution

    |

  4. An electron is projected with uniform velocity along the axis of a cur...

    Text Solution

    |

  5. A proton is moving along the negative direction of X-axis in a magneti...

    Text Solution

    |

  6. Let [epsilon(0)] denote the dimensional formula of the permittivity of...

    Text Solution

    |

  7. In a coaxial, straight cable, the central conductor and the outer cond...

    Text Solution

    |

  8. A current - carrying circular loop of radius R is placed in the XY- pl...

    Text Solution

    |

  9. A particle of charge q and mass m moves in a circular orbit of radius ...

    Text Solution

    |

  10. The maximum energy of a deuteron coming out a cyclotron is 20 MeV. The...

    Text Solution

    |

  11. A long thin hollow metallic cylinder of radius 'R' has a current i amp...

    Text Solution

    |

  12. In hydrogen atom, an electron is revolving in the orbit of radius 0.53...

    Text Solution

    |

  13. A particle of charge q and velocity v passes undeflected through a spa...

    Text Solution

    |

  14. The magnetic field at the centre of a circular coil of radius r carryi...

    Text Solution

    |

  15. Three long straight wires A, B and C are carrying current as shown in ...

    Text Solution

    |

  16. A wire of length 2 m carrying a current of 1 A is bend to form a circl...

    Text Solution

    |

  17. A current carrying conductor of length l is bent into two loops one by...

    Text Solution

    |

  18. Two charged particles traverse identical helical paths in a completely...

    Text Solution

    |

  19. When a certain length of wire is turned into one circular loop, the ma...

    Text Solution

    |

  20. A long solenoid carrying a current I is placed with its axis vertical ...

    Text Solution

    |