Home
Class 12
PHYSICS
A wire is wound on a long rod of materia...

A wire is wound on a long rod of material of relative permeability `mu_(r)=4000` to make a solenoid.If the current through the wire is `5A` and number of turns per unit length is `1000` per metre,then the magnetic field inside the solenoid is:

A

`25.12 mT`

B

`12.56 mT`

C

`12.56 T`

D

`25.12 T`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 95

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 97

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

An air-solenoid has 500 turns of wire in its 40 cm length. If the current in the wire be 1.0 ampere then the magnetic field on the axis inside the solenoid is -

A long solenoid has a radius a and number of turns per unit length is n . If it carries a current i, then the magnetic field on its axis is directly proportional to

A solenoid has a core of a material with relative permeability of 500. The windings of the solenoid are insulated from the core and carry a current of 2 A. If the number of turns is 1000 per meter, then magnetisation is

A current of 2 A flows in an air core solenoid of length 1 m and number of turns 1000. What is the magnetic flux density inside the solenoid?

A solenoid has core of a material with relative permeability 500 and its windings carry a current of 1 A. The number of turns of the solenoid is 500per meter. The magnetization of the material is nearly

A solenoid of length 0.5 m has a radius of 1 cm and is made up of 500 turns. It carries a current of 5 A. The magnetic field inside the solenoid is

NTA MOCK TESTS-NTA NEET SET 96-PHYSICS
  1. A charged particle (charge q) is moving in a circle of radius R wit...

    Text Solution

    |

  2. Two particles A,B are moving on two concentric circles of radii R1) an...

    Text Solution

    |

  3. A wire is wound on a long rod of material of relative permeability mu(...

    Text Solution

    |

  4. A cell can be balanced against 110 cm and 100 cm of potentiometer wire...

    Text Solution

    |

  5. How many percent of work done by a battery is consumed to fully charge...

    Text Solution

    |

  6. The total flux ( in S.I units ) through a closed surface constructed a...

    Text Solution

    |

  7. Each capacitor shown in the figure is 2muF. Then the equivalent capaci...

    Text Solution

    |

  8. Two coils are at fixed location: When coil 1 has no corrent and the cu...

    Text Solution

    |

  9. A 100 W 200 V bulb is connected to a 160 V power supply. The power con...

    Text Solution

    |

  10. At a distance 320 km above the surface of the earth , the value of acc...

    Text Solution

    |

  11. The rotation period of an earth satellite close to the surface of the ...

    Text Solution

    |

  12. Hot water cools from 60^@C to 50^@C in the first 10 min and to 42^@C i...

    Text Solution

    |

  13. A flask is filled with 13 g of an ideal gas at 27^(@)C and its tempera...

    Text Solution

    |

  14. A carnot's engine works between a source at a temperature of 27^(@)C a...

    Text Solution

    |

  15. A long hollow copper tube carries a current I. Then, which of the foll...

    Text Solution

    |

  16. If in circular coil of radius R, current I is flowing and in another c...

    Text Solution

    |

  17. A stone is thrown vertically upwards. When stone is at a height half o...

    Text Solution

    |

  18. A particle moves in a straight line with a constant acceleration. It c...

    Text Solution

    |

  19. A body of mass 4 kg is accelerated up by a constant force, travels a d...

    Text Solution

    |

  20. Two masses m1=5kg and m2=4.8kg tied to a string are hanging over a lig...

    Text Solution

    |