Question

3. A dynamo is used to generate electricity. It actually acts as a source of
a) magnetism (b) charge
(c) energy​

Answer 1

=> Dynano converts mechanical energy into electrical energy..

=> so, it actually acts as a source of Energy.

=> please mark me if you are satisfied with my answer...

Answer 2

The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma, with internal convective motion that generates a magnetic field via a dynamo process. It is by far the most important source of energy for life on Earth.