AC/DC

Question 1

What are the two types of electrical current

Answer 1

Direct Current and Alternating Current

Question 2

give two features of a direct current

Answer 2

1) The current flows in only one direction

2) Batteries and cells are sources of a direct current

Question 3

give two features of an alternating current

Answer 3

1) The current repeatedly changes direction

2) the mains electricity supply has a frequency of 50Hz and is about 230V