which wire will have the least resistance 10cm, 30cm, 40cm or 20cm?
Answers
Answered by
0
Explanation:
30
follow me
mark as brainliest
Answered by
1
Answer:40 cm . There is a formula which is R =(row)pl/a if are of cross section is given or diameter
Explanation:
The resistance of a long wire is greater than the resistance of a short wire because electrons collide with more ions as they pass through. The relationship between resistance and wire length is proportional .
Similar questions