Home
Class 12
PHYSICS
A sphere of radius R is placed near a lo...

A sphere of radius R is placed near a long straight wire that carries a steady current l. The magnetic field generated by the current is B. The total magnetic flux passing through the sphere is

A

`mu_(0)l`

B

`(mu_(0)l)/(4piR^(2))`

C

Zero

D

Need more information

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise Assignment (SECTION - B)|8 Videos
  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise Assignment (SECTION - C)|4 Videos
  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise Try Yourself|41 Videos
  • ELECTRIC CHARGES AND FIELDS

    AAKASH INSTITUTE|Exercise SECTION -J(Aakash Challengers Questions)|5 Videos
  • ELECTROMAGNETIC WAVES

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION - D Assertion-Reason Type Questions|25 Videos

Similar Questions

Explore conceptually related problems

Magnetic Field Created By Long Current Carrying Wire

A long straight wire carries a current of 35A . What is the magnetic of the field vecB at a point 20cm from the wire?

The magnetic field near a current carrying conductor is given by

The magnetic induction at any point due to a long straight wire carrying a current is

At a distance of 10 cm from a long straight wire carrying current, the magnetic field is 0.04 T . At the distance of 40 cm , the magnetic field will be

AAKASH INSTITUTE-ELECTROMAGNETIC INDUCTION-Assignment (SECTION - A)
  1. Which of the following field lines pattern could represent a magnetic ...

    Text Solution

    |

  2. A sphere of radius R is placed near a long straight wire that carries ...

    Text Solution

    |

  3. A coil wire rotates about a horizontal north-south axis with its plane...

    Text Solution

    |

  4. A magnet moves inside a coil. Which of the following factors can affec...

    Text Solution

    |

  5. A rectangular loop of wire is placed perpendicualr to a uniform magnet...

    Text Solution

    |

  6. Which of the following can produce maximum induced emf?

    Text Solution

    |

  7. The induced emf produced when a magnet is inserted into a coil does no...

    Text Solution

    |

  8. A cylindrical bar magnet is kept along the axis of a circular coil. If...

    Text Solution

    |

  9. A circular wire loop of radius r is placed in a region of uniform magn...

    Text Solution

    |

  10. When a non magnetic metallic strip is moved away from between the pole...

    Text Solution

    |

  11. A magnet is allowed to fall towards a metal ring. During the fall Its ...

    Text Solution

    |

  12. A coil having 500 square loops each of side 10 cm is placed normal to ...

    Text Solution

    |

  13. The coefficient of mutual induction between two circuits is equal to t...

    Text Solution

    |

  14. The back emf in a DC motor is maximum when,

    Text Solution

    |

  15. If the radius of a coil is changing at the rate of 10^(-2) unit in a n...

    Text Solution

    |

  16. If a coil of 40 turns and area 4.0 cm^(2) is suddenly remove from a m...

    Text Solution

    |

  17. The core of transformer is laminated so that

    Text Solution

    |

  18. Two coil are placed close to each other. The mutual inductance of the ...

    Text Solution

    |

  19. A magnetic flux of 500 microweber passing through a 200 turn coil is r...

    Text Solution

    |

  20. A coil of area 0.1m^(2) has 500 tums. After placing the coil in a magn...

    Text Solution

    |