Question

select all that apply
electric circuits use either alternating current (ac) or direct current (dc). select all the circuits below that most commonly use direct current.
□ electricity from a household wall socket
□ a wireless mouse for a computer
□ industrial power needs
□ cell phones

Explanation:

• Household wall sockets and industrial power needs typically use alternating current (AC).
• Wireless mice for computers and cell phones use direct current (DC) as they are powered by batteries which supply DC.

Answer:

• B. A wireless mouse for a computer
• D. Cell phones