Consider a cube of material of sides 1 cm with a resistance of 0.003 Ω between its opposite
faces. What is the resistance if the same volume of the material is drawn into a length of 50
cm with a uniform cross – section?
A) 0.003 Ω B) 0.15 Ω
C) 7.5 Ω D) None of these
There is something I don't understand about algebra: It has been around for thousands of years, yet no one has ever found out what the value of "x" or "y" really is.
Richard van der Merwe
Do not worry about your difficulties in mathematics, I assure you that mine are greater.