Fundamental Physics Principles

• Coulomb's Law
• Ohm's Law
• EMF
• RMS Current

Electric field, where a charge feels a force, force per positive test charge, that's the course!

Coulomb's Law states that two charges interact with a force proportional to the product of charges and inversely proportional to distance squared. Ohm's Law establishes that voltage is proportional to current, provided temperature remains constant. EMF is the energy supplied per unit charge, representing the maximum energy from a battery. RMS current is the equivalent direct current that produces the same heating effect.

• Photoelectric Effect
• Threshold Frequency
• Work Function

Threshold frequency is the minimum frequency required to eject electrons, that's what is desired.

When light hits a metal, electrons get emitted. The work function represents the minimum energy you need to remove an electron from the metal surface.