Home
Class 12
PHYSICS
What is hysterisis? Define the terms 'co...

What is hysterisis? Define the terms 'coercivity' and 'retentivity' of a ferromagnetic material.

Promotional Banner

Topper's Solved these Questions

  • Sample Paper 2

    OSWAAL PUBLICATION|Exercise Exercise|37 Videos
  • Sample Paper 4

    OSWAAL PUBLICATION|Exercise Exercise|37 Videos

Similar Questions

Explore conceptually related problems

Define the term 'molarity'.

Define the term 'Molarity'.

Define genetic material.

Define the term "productivity".

Define the term molality.

Define the terms, Bond order

Define the term plasmid.

Define the terms: Octet Rule

OSWAAL PUBLICATION-Sample Paper 3-Exercise
  1. Mention and five properties of electric field lines.

    Text Solution

    |

  2. Give an expression for force acting on a charge moving in magnetic fie...

    Text Solution

    |

  3. What is hysterisis? Define the terms 'coercivity' and 'retentivity' of...

    Text Solution

    |

  4. What are eddy currents ? Mention two applications of eddy currents.

    Text Solution

    |

  5. What is a thin prism? Write its deviation expression.

    Text Solution

    |

  6. How do you represent plane polarized and unpolarised light ?

    Text Solution

    |

  7. Define half life of a radioactive element and deduce the expression fo...

    Text Solution

    |

  8. Give three differences between intrinsic and extrinsic semiconductors

    Text Solution

    |

  9. Derive an expression for the electric potential energy of a system of ...

    Text Solution

    |

  10. State and explain Ohm.s law and hence defien ohm.

    Text Solution

    |

  11. Write any four properties of ferromagnetic materials and give an examp...

    Text Solution

    |

  12. Derive the expression for emf induced in a straight conductor moving p...

    Text Solution

    |

  13. State any three feautures of nuclear force

    Text Solution

    |

  14. Distinguish between conductors, insulators and semiconductors on the b...

    Text Solution

    |

  15. Draw a neat labelled block diagram of an AM transmitter.

    Text Solution

    |

  16. Derive an expression for the electric field at a point due to an infin...

    Text Solution

    |

  17. Obtain an expression for equivalent resistance of two resistors connec...

    Text Solution

    |

  18. Derive the expression for magnetic field at a point on the axis of a c...

    Text Solution

    |

  19. Derive the expression for refractive index of the material of the pris...

    Text Solution

    |

  20. Explain three facts of photoelectric effect using Einstein's photoelec...

    Text Solution

    |