تجربة أورستيد Oersted Experiment
In 1820, Oersted established the relationship between electricity and magnetism. He concluded that a current carrying wire produces a magnetic field around it.
To show that a current carrying wire produces a magnetic field around it.
A thick insulated copper wire is taken and connected with the battery in such a way that current flows from South to North direction in the wire. A compass needle is placed under the wire.
1. When electric current is passed through the wire from South (S) to North (N) directions and the wire is placed over (O) the compass needle, the compass needle gets deflected towards West (W) direction (SNOW Rule).
2. On reversing the direction of current in the wire, the compass needle gets deflected in the opposite direction.
3. When current is switched off, then there is no deflection in the compass needle.
The deflection of compass needle, whenever there is current in the wire shows that a current carrying wire produces a magnetic field around it.
This video demonstrate the Oersted's Experiment i.e a current carrying conductor produces a magnetic field around it.
Discusses the discovery of the relationship between magnetism and electricity
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