Home
Class 10
PHYSICS
For the coil in the diagram below, when ...

For the coil in the diagram below, when the switch is pressed :
(a) what is the polarity of end A ?
(b) which way will the compasss point then ?

Text Solution

Verified by Experts

The correct Answer is:
N/a

(a) S-pole (b) Away from the end B `(to)` (Because end B is a N-pole)
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    LAKHMIR SINGH & MANJIT KAUR|Exercise LONG ANSWER TYPE QUESTIONS|2 Videos
  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    LAKHMIR SINGH & MANJIT KAUR|Exercise QUESTIONS BASED ON HIGH ORDER THINKING SKILLS|6 Videos
  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    LAKHMIR SINGH & MANJIT KAUR|Exercise NCERT BOOK|2 Videos
  • ELECTRICITY

    LAKHMIR SINGH & MANJIT KAUR|Exercise NCERT|3 Videos
  • REFLECTION OF LIGHT

    LAKHMIR SINGH & MANJIT KAUR|Exercise Very Short Answer Type Questions|1 Videos
LAKHMIR SINGH & MANJIT KAUR-MAGNETIC EFFECT OF ELECTRIC CURRENT -Exercise
  1. The figure shows a solenoid wound on a core of soft iron. Will the end...

    Text Solution

    |

  2. A current-carrying straight wire is held in exactly vertical position....

    Text Solution

    |

  3. For the coil in the diagram below, when the switch is pressed : (a) ...

    Text Solution

    |

  4. A current flows downwards in a wire that passes vertically through a t...

    Text Solution

    |

  5. The directions of current following in the coil of an electromagnet at...

    Text Solution

    |

  6. A current-carrying conductor is held in exactly vertical direction. In...

    Text Solution

    |

  7. A thick wire is hanging from a wooden table. An anitclockwise magnetic...

    Text Solution

    |

  8. What produces magnetism in the human body ?

    Text Solution

    |

  9. What is the full form of MRI ?

    Text Solution

    |

  10. When is the force experienced by a current-carrying conductor placed i...

    Text Solution

    |

  11. When is the force experienced by a current-carrying conductor placed i...

    Text Solution

    |

  12. In a statement of Feming's left-hand rule, what do the following repr...

    Text Solution

    |

  13. Name one device which works on the magnetic effect of current.

    Text Solution

    |

  14. Name the device which converts electrical energy into mechanical energ...

    Text Solution

    |

  15. A motor converts one form of energy into another. Name the two forms.

    Text Solution

    |

  16. State whether the following statement is true or false : An electric...

    Text Solution

    |

  17. For Fleming's left-hand rule, write down the three things that are 90^...

    Text Solution

    |

  18. What is the other name of the split ring used in an electric motor ?

    Text Solution

    |

  19. Of what substance are the brushes of an electric motor made ?

    Text Solution

    |

  20. In an electric motor, which of the following remains fixed and which r...

    Text Solution

    |