7.2.8

Generator Effect

Test yourself

Electric Current - Direct and Alternating

There are two types of electric current.

Illustrative background for Direct current (d.c)Illustrative background for Direct current (d.c) ?? "content

Direct current (d.c)

  • The electric current flows in only one direction.
  • Batteries and cells are sources of direct current.
Illustrative background for Alternating current (a.c)Illustrative background for Alternating current (a.c) ?? "content

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.

Jump to other topics

1Energy

2Electricity

3Particle Model of Matter

4Atoms & Radiation

5Forces

6Waves

7Magnetism

8Astrophysics

Go student ad image

Unlock your full potential with GoStudent tutoring

  • Affordable 1:1 tutoring from the comfort of your home

  • Tutors are matched to your specific learning needs

  • 30+ school subjects covered

Book a free trial lesson