Skip to content

Course home

x
Sign up
x

What is electric current?

What is electric current?

Metal conductor showing positive ions fixed in a lattice and free electrons drifting through the wire

Electric current is the flow of electrical charge. In a metal wire, the moving charges are free electrons.

4.2.2a Electric current, charge and measuring current Lesson

  1. IGCSE
  2. /Physics
  3. /4.2.2a Electric current, charge and measuring current

Step-by-step lessons on CIE IGCSE Physics 4.2.2a Electric current, charge and measuring current. Each one builds up to exam-style questions. Build a strong foundation in mechanics and electricity before tackling the more mathematically demanding astrophysics and nuclear topics.

Lessons