l=40cm, A=0.05cm×cm, R=15ohm
then find p
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Answered by
2
R=pl/a..
p=r×a/l....
15×40/.000005==
p=r×a/l....
15×40/.000005==
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we know that
l=0.4.m
A=0.000005m2
R=pl/a
now, 15=p×0.4×0.000005
p=15/.000002
p=7500000 ohm meter
p=15/2
p=7.5 ohm
l=0.4.m
A=0.000005m2
R=pl/a
now, 15=p×0.4×0.000005
p=15/.000002
p=7500000 ohm meter
p=15/2
p=7.5 ohm
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