- #1
koat
- 40
- 0
hi everybody
Question:
a length of uniform wire has a R of 2 ohms. calculate the R of a wire of the same metal and original length but twice the diameter.
I thought as the wire gets twice as thick the R must halve to 1ohms. But the solution is 0.5 ohms.
what did i do wrong?
thanks in advance
Question:
a length of uniform wire has a R of 2 ohms. calculate the R of a wire of the same metal and original length but twice the diameter.
I thought as the wire gets twice as thick the R must halve to 1ohms. But the solution is 0.5 ohms.
what did i do wrong?
thanks in advance