Home
Class 11
PHYSICS
The material suitable for making electro...

The material suitable for making electromagnets should have

A

high retentivity and high coercivity.

B

low retentivity and low coercivity.

C

high retentivity and low coercivity.

D

low retentivity and high coercivity.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise Evaluation Test|12 Videos

  • MEASUREMENTS

    TARGET PUBLICATION|Exercise EVALUATION TEST|17 Videos

Similar Questions

Explore conceptually related problems

Why should the materials used for making permanent magnets have high coercivity ?

Soft iron is used for making electromagnet because it

What are the properties that the alloy used for minting coins should have?

What is electromagnetic shielding ?

Write a short note on electromagnets.

What type of magnetic material is used in making permanent magnets ?

What is electromagnetic waves?

Give two essential characteristics of material used for preparing an electromagnet

In order to have a strong electromagnet it must have

TARGET PUBLICATION-MAGNETISM-MCQs
  1. The Earth's magnetic field at some place on magnetic equator of Earth ...

    Text Solution

    |

  2. If theta1 and theta2 be the apparent angles of dip observed in two ver...

    Text Solution

    |

  3. The material suitable for making electromagnets should have

    Text Solution

    |

  4. Electromagnets are made of soft iron because soft iron has

    Text Solution

    |

  5. Consider a point on an equatorial axis of a short bar magnet. The dire...

    Text Solution

    |

  6. A small bar magnet has a magnetic moment 1.2 A-m^(2). The magnetic fie...

    Text Solution

    |

  7. The bar magnet produces magnetic induction of 4 xx 10^(-5)T at a point...

    Text Solution

    |

  8. The magnetic induction at a point P on the axis is equal to the magnet...

    Text Solution

    |

  9. Two identical short bar magnets, each having magnetic moment of 10Am^(...

    Text Solution

    |

  10. Two short bar magnets of length 1cm each have magnetic moments 1.20 Am...

    Text Solution

    |

  11. The ratio of magnetic fields due to a bar magnet at the two axial poin...

    Text Solution

    |

  12. Which magnetic field is closer to that of a bar

    Text Solution

    |

  13. A circular loop and a square loop are formed from the same wire and th...

    Text Solution

    |

  14. A charge Q is spread uniformly over an insulated ring of radius R.What...

    Text Solution

    |

  15. At neutral point, the horizontal component of the magnetic field due t...

    Text Solution

    |

  16. Assertion: If a compass needle be kept at magnetic north pole of the e...

    Text Solution

    |

  17. A bar magnet is hung by a thin cotton thread in a uniform horizontal m...

    Text Solution

    |

  18. A circular coil of diameter 10 cm is placed in a magnetic field of ind...

    Text Solution

    |

  19. Assertion: The magnetic poles of earth do not coincide with the geogra...

    Text Solution

    |

  20. The magnetic compass is not useful for navigation near the magnetic po...

    Text Solution

    |