Home
Class 12
PHYSICS
Soft iron is used for making electromagn...

Soft iron is used for making electromagnet because it

A

Low permeability and high retentivity

B

High permeability and low retentivity

C

Low permeability and low retentivity

D

High permeability and high retentivity

Text Solution

Verified by Experts

The correct Answer is:
B
Soft iron has high permeability and low retentivity.
Promotional Banner

Topper's Solved these Questions

  • MAGNETISM AND MATTER

    PHYSICS WALLAH|Exercise NEET PAST 5 YEARS QUESTIONS |10 Videos

  • MAGNETISM AND MATTER

    PHYSICS WALLAH|Exercise NEET PAST 5 YEARS QUESTIONS |10 Videos

  • LAWS OF MOTION

    PHYSICS WALLAH|Exercise NEET PAST 5 YEARS QUESTIONS |12 Videos

  • MECHANICAL PROPERTIES OF MATTER

    PHYSICS WALLAH|Exercise NEET Past 5 Yeats Questions|16 Videos

Similar Questions

Explore conceptually related problems

Wrought iron is used for making

Why is soft-iron not used for making a permanent magnet?

Aluminium is used for making alloys because of its

PHYSICS WALLAH-MAGNETISM AND MATTER -LEVEL 2
  1. The time period of a freely suspended bar magnet in a field is 2s. It ...

    Text Solution

    |

  2. The work done in turning a magnet of magnetic moment M by an angle of...

    Text Solution

    |

  3. The magnet of vibration magnetometer is heated so as to reduce its mag...

    Text Solution

    |

  4. The susceptibility of annealed iron at saturation is 5500. Find the pe...

    Text Solution

    |

  5. The magnetic susceptibility of a paramagnetic substance at -73^@C is 0...

    Text Solution

    |

  6. The relative permeability of iron is 6000. Its magnetic susceptibilit...

    Text Solution

    |

  7. Which one is not diamagnetic substance?

    Text Solution

    |

  8. The work done in turning a magnet of magnetic moment M by an angle of...

    Text Solution

    |

  9. Work done in rotating a bar magnet from 0 to angle theta is:

    Text Solution

    |

  10. A magnetic needle lying parallel to a magnetic field requires W units ...

    Text Solution

    |

  11. In which type of material the magnetic susceptibility does not depend ...

    Text Solution

    |

  12. For a permanent magnet the properties retentivity and coercivity are r...

    Text Solution

    |

  13. In a permanent magnet at room temperature.

    Text Solution

    |

  14. A 250-turns recantagular coil of length 2.1 cm and width 1.25 cm ca...

    Text Solution

    |

  15. Soft iron is used for making electromagnet because it

    Text Solution

    |

  16. If the total magnetic field strength (H) due to the earth is 28 Am^-1 ...

    Text Solution

    |

  17. There are four light-weight-rod sample A, B, C, D separately suspended...

    Text Solution

    |

  18. The susceptibility of magnesium at 300 K is 1.2 xx 10^(-3). At what te...

    Text Solution

    |

  19. For a vibration magnetometer, the time period of bar magnet can be red...

    Text Solution

    |

  20. A bar magnet of magnetic moment M is cut into two parts of equal lengt...

    Text Solution

    |