Describe and explain thoroughly between Electricity and magnetism

Since a shifting electric field produces a magnetic field, and a changing magnetic field generates an electric field, electricity and magnetism are simply two sides of the same coin. 

Explanation:

check this link hope it helps

https://faculty.wcas.northwestern.edu/~infocom/Ideas/electric.html

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.