top of page
Electricity
Direct and Alternating Current
To describe the difference between direct and alternating current and recognise their uses.
What you will learn
The difference between direct current and alternating current
What happens to current direction in a d.c. circuit
How current changes direction in an a.c. supply
Which supplies commonly provide a.c. or d.c.
How to recognise a.c. and d.c. from graphs
Explanation
bottom of page