Doubt on current electricity

#1

#2

I think answer is B.
Use formula R=PL/A after changing temperature.

#3


If any query in solution then ask me.
Thanks

1 Like
#4

Is there any alternate way to solve this...like using

#5

Plz do explain Sir..

#6

1 Like
#7

Thanks a lot for ur efforts.:slightly_smiling_face: