Question

Two conducting wires of same material, equal length and

equal diameter are first connected in series and then in

parallel. Compare the equivalent resistance in two cases.​

Answer 1

Answer:

let the resistance of each wire be R. when it connected in series

total resistance,

Rs =R+R = 2R

when connected in parallel,

1/Rp=1/R+1/R=2/R

Rp= R/2

Rs/Rp =2R/R/2= 4

so, Rs =4Rp

done.

Answer 2

Answer:

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