Home
Class 12
PHYSICS
Electromagnets are made of soft iron bec...

Electromagnets are made of soft iron because soft iron has

A

low retentivity and high coercive force

B

high retentivity and high coercive force

C

low retentivity and low coercive force

D

high retentivity and low coercive force

Text Solution

Verified by Experts

The correct Answer is:
C

Electromagnets are made of soft iron because soft iorn has lwo retenvity and low coercive force or ow coercivity. Soft iron is a soft magnetic materal.
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECTS OF CURRENT AND MAGNETISM

    MTG GUIDE|Exercise CHECK YOUR NEET VITALS|25 Videos
  • ELECTROSTATICS

    MTG GUIDE|Exercise AIPMT/NEET (MCQ.s)|34 Videos
  • OPTICS

    MTG GUIDE|Exercise AIPMT/NEET|55 Videos

Similar Questions

Explore conceptually related problems

Electromagnets are mage of sof iron because soft iron has

Assertion: Electromagnets are made of soft iron. Reason: Coercivity of soft iron is small.

Why are electromagnets made of soft iron?

The core of electromagnet is made of soft iron because a) the susceptibility of soft iron is very high b) coercivity of soft iron is very low

Permanent magnets are made of steel while the core of transformers is made of soft iron. Why?

MTG GUIDE-MAGNETIC EFFECTS OF CURRENT AND MAGNETISM-AIPMT/NEET (MCQs)
  1. A galvanometer has a coil of resistance 100 ohm and gives a full scale...

    Text Solution

    |

  2. A square current carrying loop is suspended in a uniform magnetic fiel...

    Text Solution

    |

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

    Text Solution

    |

  4. A vibration magnetometer placed in magnetic meridian has a small bar m...

    Text Solution

    |

  5. A current loop consists of two identical semicircular parts each of ra...

    Text Solution

    |

  6. A closely wound solenoid of 2000 turns and area of cross section 1.5 x...

    Text Solution

    |

  7. A particle having a mass of 10^(-2) kg carries a charge of 5 xx 10^(-8...

    Text Solution

    |

  8. The magnetic moment of a diamagnetic atom is

    Text Solution

    |

  9. Two identical bar magnets are fixed with their centres at a distance d...

    Text Solution

    |

  10. A current carrying closed loop in the form of a right angle isosceles ...

    Text Solution

    |

  11. A uniform electric field and a uniform magnetic field are acting along...

    Text Solution

    |

  12. There are four light-weight-rod samples A, B, C, D separately suspende...

    Text Solution

    |

  13. A galvanometer of resistance, G, is shunted by a resistance S ohm. To ...

    Text Solution

    |

  14. Charge q is uniformly spreade on a thin ring of radius R. The ring rot...

    Text Solution

    |

  15. A square loop, carrying a steady current I, is placed in a horizontal ...

    Text Solution

    |

  16. A short bar magnet of magnetic moment 0.4 JT^(-1) is placed in a unifo...

    Text Solution

    |

  17. Two similar coils of radius R are lying concentrically with their plan...

    Text Solution

    |

  18. A milli voltmeter of 25 millivolt range is to be converted into an amm...

    Text Solution

    |

  19. A compass needle which is allowed to move in a horizontal plane is tak...

    Text Solution

    |

  20. An alternating electric field, of frequency u, is applied across the d...

    Text Solution

    |