battery
Generator. Dynamo. Battery. Photovoltaic. Chemical.
process to electricity
Sunlight to electricity (solar panel)
Coherent sources are sources of waves that have a constant phase difference between them. An example of coherent sources is two identical lasers emitting light waves with the same frequency and wavelength.
Electricity is considered a secondary energy source because it is produced using primary energy sources such as coal, natural gas, or renewable sources like solar or wind energy.
Gas light, kerosene lantern.
One example of static electricity is when you drag your feet across the floor and then shock someone. The shock is the static electricity.
An important example is the discovery of the sources and use of electricity. Electricity allowed for the development of household gadgets as well as computers.
water, for example during the industrial revolution the water wheel was powered by water.
Here is an example sentence with the word "electricity":Many household appliances use electricity in order to function, including light bulbs, televisions and computers.
The sun is an example of a natural light source. A source which gives of light that is natural (not made by electricity) is a natural light source.
Future sources of electricity?