the resistance of a conductor wire x of length one metre is 5 homes calculate the resistance of the wire made by a material whose length is 4 times and area of cross section is five times that of wire x
Answers
Answered by
0
Answer:
case 1
length=x
area=A
resistivity=row
R=row×x/A=5
case 2
l=4x
A=5A
resistivity=row
R=4/5×row×x/A
=4/5x5=4 ohm
Similar questions