Alevel Physics Electricity Watch

LisaGongggggg
Badges: 2
Rep:
?
#1
Report Thread starter 1 month ago
#1
Explain why the power of a filament lamp falls during the first few milliseconds after it is switched on. Help!!!
Posted on the TSR App. Download from Apple or Google Play
0
reply
Joinedup
Badges: 20
Rep:
?
#2
Report 1 month ago
#2
(Original post by LisaGongggggg)
Explain why the power of a filament lamp falls during the first few milliseconds after it is switched on. Help!!!
OK, what do you know about the conductivity of metal as it's temperature rises?
1
reply
LisaGongggggg
Badges: 2
Rep:
?
#3
Report Thread starter 1 month ago
#3
The conductivity decreases
Posted on the TSR App. Download from Apple or Google Play
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

  • University of East Anglia
    All Departments Open 13:00-17:00. Find out more about our diverse range of subject areas and career progression in the Arts & Humanities, Social Sciences, Medicine & Health Sciences, and the Sciences. Postgraduate
    Wed, 30 Jan '19
  • Aston University
    Postgraduate Open Day Postgraduate
    Wed, 30 Jan '19
  • Solent University
    Careers in maritime Undergraduate
    Sat, 2 Feb '19

Brexit: Given the chance now, would you vote leave or remain?

Remain (952)
80%
Leave (238)
20%

Watched Threads

View All