12-09-2012, 10:22 AM
Where have you got the formula from?
Normally in these queations, you end up with a min value that the total resistance and you need to work out the length of TC that will achieve it. The cross sectional area does not come into this.
Can you post a copy of your working?
Peter
Normally in these queations, you end up with a min value that the total resistance and you need to work out the length of TC that will achieve it. The cross sectional area does not come into this.
Can you post a copy of your working?
Peter