Question

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Answer 1

Answer:

He is physicist and chemist who discovered electric current in wire.

Answer 2

Answer:

Orested conducted an experiment which led to the discovery of magnetic effect of current.

Oerested's Experiment

Consider a magnetic needle SN pivoted over a stand. Hold a wire AB parallel to the needle SN and connect it to a cell and a plug key.

It is observed that:

1. When the wire is held above the needleand the current flows from S to N, the north pole of th magnetic needle gets deflected rowards the west and vice versa.

2. When the current in the wire stops flowing, the magnetic needle comes back to its initial position.

Conclusion- A current carrying conductor produces a magnetic field around it.

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