Need an help on filament bulb topic

  • Thread starter mani18
  • Start date
  • #1
3
0
need an urgent help on filament bulb topic

hi everyone
i am getting stuck in this assignment on question related to filament bulb.

the question goes like: is resistance and gradient inverse to one another in filament bulb and when looking at the graph (which is a curve graph)..
we need to explain on how
i could do it for nichrome wire since it had a straight line.
if you could jus tell me on how to show it and brief explanation i would be very grateful.

cheers
mani
 

Answers and Replies

  • #2
557
1


gradient of what ?
 
  • #3
3
0


sorry for being clear. hope this one will be clearr enough.
graph is used to calculate the gradient so the question asks can you find the resistance using 1/m (1/gradient) n r they inverse to one another
 
  • #4
557
1


I would say yes. Can you post the graph ?
 
  • #5
3
0


okay thank you. here you go.
 

Attachments

  • #6
557
1


Yes sure, you can always calculate R given V and I.
The only doubts is if you want the resistance for small changes or not.
 

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