simple DC electricity question Watch

confuzzled92
Badges: 11
Rep:
?
#1
Report Thread starter 7 years ago
#1
V =emf - Ir

(emf and r are constant)
Why would the pd across the load increase as current is decreased?

thanks
0
reply
soup
Badges: 11
Rep:
?
#2
Report 7 years ago
#2
When current decreases, the term Ir gets smaller and smaller, and as emf is constant, V increases.
0
reply
kingsclub
Badges: 0
Rep:
?
#3
Report 7 years ago
#3
(Original post by soup)
When current decreases, the term Ir gets smaller and smaller, and as emf is constant, V increases.
but isnt it that V and I are directly proportional?
0
reply
X

Quick Reply

Attached files
Write a reply...
Reply
new posts
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

University open days

  • Cranfield University
    Cranfield Forensic MSc Programme Open Day Postgraduate
    Thu, 25 Apr '19
  • University of the Arts London
    Open day: MA Footwear and MA Fashion Artefact Postgraduate
    Thu, 25 Apr '19
  • Cardiff Metropolitan University
    Undergraduate Open Day - Llandaff Campus Undergraduate
    Sat, 27 Apr '19

Have you registered to vote?

Yes! (362)
37.51%
No - but I will (74)
7.67%
No - I don't want to (67)
6.94%
No - I can't vote (<18, not in UK, etc) (462)
47.88%

Watched Threads

View All