Magnetic Effect of Current

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SUMMARY

The discussion centers on Oersted's Experiment, which demonstrates the magnetic effect of electric current. When a compass needle is placed parallel to a current-carrying wire, it deflects due to the magnetic field generated by the current. However, when the compass needle is positioned perpendicular to the wire, no deflection is observed because the needle aligns with the magnetic field lines, resulting in no change in its position.

PREREQUISITES
  • Understanding of Oersted's Law
  • Basic knowledge of magnetic fields
  • Familiarity with compass behavior in magnetic fields
  • Concept of electric current and its effects
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rahularvind06
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In Oersted's Experiment, when a compass needle was placed parallel to the wire, then deflection was observed. why was this not observed when the compass needle was perpendicular?
 
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Because it deflects the compass to a perpendicular position. If it is already perpendicular it would already be facing the direction of the deflection and would not change.

 

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