AC/DC
Physics: Cambridge International GCSE Supplement, topic 4.3.5
Electric Current - Direct and Alternating
There are two types of electric current.
Direct current (d.c)
- The electric current flows in only one direction.
- Batteries and cells are sources of direct current.
Alternating current (a.c)
- The electric current repeatedly changes direction.
- In the UK, the electricity from the plug sockets is a source of alternating current.
Test yourself on AC/DC
Batteries and cells are sources of...
Which of these statements are features of direct current?