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 distance between the magnetic needle and the wire is increased.