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Why does a current-carrying solenoid whe...

Why does a current-carrying solenoid when suspended freely rests along a particular direction?

Text Solution

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Current.carrying solenoid behaves like a bar magnet When itis suspended freely it points in north-south direction.
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Give reasons for the following: The current carrying solenoid when suspended freely rest along a particular direction.

Give reasons for the following: (i) There is either a convergence or a divergence of magnetic field lines near the ends of a current carrying straight solenoid. (ii) The current carrying solenoid when suspended freely rests along particular direction. (iii) The burnt out fuse should be replaced by another fuse of identical rating.

Knowledge Check

  • The direction of electric current in a solenoid when viewed from a particular end is anticlockwise, then this end of solenoid will be :

    A
    north pole
    B
    east pole
    C
    south pole
    D
    west pole

  • In a current carrying long solenoid, the field produced does not depend upon

    A
    Number of turns per unit length
    B
    Current flowing
    C
    Radius of the solenoid
    D
    All of the above three

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    Why does the bar magnet suspended freely aligns itself in the north-south directions?

    The bar magnet suspended freely aligns itself in the north-south directions. Why?

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