if the length of the wire of same material and same thickness is doubled then how its resistance will change
Answers
Answered by
0
Answer:
Increase 4 times the initial value
Explanation:
Answered by
1
Length of wire is directly proportional to resistance and area of cross section is inversely proportional to resistance.
Let R be the resistance of wire.
Therefore new resistance
R=2l/2A =l/A therefore resistance remains unchanged.
Similar questions