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so 12000 g?

Yeah, now find volume
Volume= mass/density

density hai mass hai volume= length into cross section you can find length

1,349.83 cm^2 ?

Yeah you're right. Sorry My battery was out of juice

than after i got the volume, whats next? getting the length?

*then

\[\text{Volume}= \text{Area of Cross section} \times \text{length}\]

length=volume/ area of cross section?

Yeah, remember to convert cross section into cm^2, it's given in mm^2
Then you'll get length in cm

length= 1,349.83 cm^2/0.209cm^2 ??

1 mm = 1/ 10 cm
\[1 mm^2= \frac{1}{10\times 10} cm^2\]

.209 cm^2 ?

area of cross section=2.09 mm^2=2.09/100 cm^2

so 0.0209 cm^2 ?

yeah now you find length

length= 1,349.83 cm^2/0.0209cm^2 ?

64,585.17 ?

what would be the unit?

\[\frac{cm^3}{cm^2}\]???

oh i get it. its cm. cause i saw both cm^2

resistance? R=v/i ?

R=ρ(micro ohms-cm)×3090199.522 cm ?

then multiply it to 1924 ?

Yeah:D

5945643879 ?

Yeah this is right but this in micro ohms. Divide by 10^6 to get resistance in ohms

why divide it by 10^6 ?

Because resistance we found is in micro ohms
\[1 micro ohm=\frac{1}{10^6} \text{ohms}\]

oh okay thanks so the answer will be 5945.54 ohms ?

Yeah:D

then whats next? ;D

so that must be 645.8517 ?

64585.17/100=>64.581517 meters

no its 645.8517

yeah, you're right. Sorry :(

its alright :) then whats next? we will repeat it again? because we got the wrong length?

nope, we found the resistance correctly.
question asked length in meters that's why we changed it

oh thanks a lot. :D a massive thank you! God bless :D

welcome:D