Why current carrying conductor do not experience a mechanical force whem placed parallel to the direction of magnetic field ?
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It is because of it's definition and formula.
As you know Force on a current carrying conductor placed in the magnetic field is,
F=I(L×B)
Where B is magnetic field magnitude.
I is the magnitude of current.
L is length of conductor and '×' represents vector product.
When it is parallel to magnetic field angle is 0° or 180°.As you know L×B=LBsin theta and sin0=0=sin180.
So force on it will be zero.
Thanks.
Tripathy
As you know Force on a current carrying conductor placed in the magnetic field is,
F=I(L×B)
Where B is magnetic field magnitude.
I is the magnitude of current.
L is length of conductor and '×' represents vector product.
When it is parallel to magnetic field angle is 0° or 180°.As you know L×B=LBsin theta and sin0=0=sin180.
So force on it will be zero.
Thanks.
Tripathy
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