Current and Charge
The base electrical quantity is current, the flow of charge. All other electrical quantities are derived from it. Current is measured in ampères, or amps (A). Charge is...
The Story so far...
In the early days, the atom was thought to be fundamental. It was considered to be a blob of protons with electrons mixed in.
Then...
Albert Einstein developed the theory further to study how atoms interacted with photons. He produced the notion of quantum physics, in which electromagnetic radiation has a particulate...
Key Words
Wave-Particle Duality, Photoelectric Effect, Photon, Quanta, Threshold Frequency, eV
Light as a Particle?
Historically there had been a lot of controversy about the wave nature of light,...
