A silver wire has diameter 0.4mm and resistivity 1.6×10^-18 ohm's meter how much length of this wire is required to make a 1 ohm coil!
Answers
Answered by
2
dia.= 0.4m into 10 power minus three
radius is 0.2 m into ten power minus three
resistivity =1.6.10minus 8
R=1 OHM
Length ?
l = 3.14Rrsq./rho
L=22/7 into1 into (0.2.10^-3)/1.6.10^-8
L=7.86m
radius is 0.2 m into ten power minus three
resistivity =1.6.10minus 8
R=1 OHM
Length ?
l = 3.14Rrsq./rho
L=22/7 into1 into (0.2.10^-3)/1.6.10^-8
L=7.86m
Similar questions