$3\, A$ of current is flowing in a linear conductor having a length of $40\, cm$. The conductor is placed in a magnetic field of strength $500$ $gauss$ and makes an angle of $30^\circ $ with the direction of the field. It experiences a force of magnitude
$3\, A$ of current is flowing in a linear conductor having a length of $40\, cm$. The conductor is placed in a magnetic field of strength $500$ $gauss$ and makes an angle of $30^\circ $ with the direction of the field. It experiences a force of magnitude
- A
$3 \times {10^4}\,newton$
- B
$3 \times {10^2}\,newton$
- C
$3 \times {10^{ - 2}}\,newton$
- D
$3 \times {10^{ - 4}}\,newton$
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