What is the importance of Oersted's experiment ?

Oersted Experiment

State Oersted's experiment.

Outline the Oersted's experiment.

The diagram of an apparatus given below demonstrates a particular process in plants. Study the same and answer the questions that follow : What is the importance of the air bubble in the experiment ?

State the conclusions that can be drawn from Oersted's experiment.

Answer the following questions : State the conclusions that can be drawn from Oersted's experiment.

What is the effect on the magnetic needle in Oersted's experiment, when The current through the wire is stopped .