angela_12
Badges: 15
Rep:
?
#1
Report Thread starter 2 years ago
#1
I really don't understand AC and DC - I know what they are and have a vague idea of the differences between them but I don't understand what is useful where and why? Like how do you know whether to use an AC or DC supply in a circuit or experiment or whatever? Thanks for your help in advance. x
0
reply
bluemuffin
Badges: 21
Rep:
?
#2
Report 2 years ago
#2
Dc is used in batteries and phones whereas ac is used in the mains
0
reply
X

Quick Reply

Attached files
Write a reply...
Reply
new posts
Back
to top
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise

Have you experienced financial difficulties as a student due to Covid-19?

Yes, I have really struggled financially (17)
13.71%
I have experienced some financial difficulties (30)
24.19%
I haven't experienced any financial difficulties and things have stayed the same (53)
42.74%
I have had better financial opportunities as a result of the pandemic (20)
16.13%
I've had another experience (let us know in the thread!) (4)
3.23%

Watched Threads

View All