Question

a longer wire has resistance than a shorter wire of same thickness and same material ​

Answer 1

Answer:

• An electric current flows when electrons move through a conductor, such as a metal wire.
• 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.

Explanation:

First, the total length of the wires will affect the amount of resistance. The longer the wire, the more resistance that there will be. When all other variables are the same, charge will flow at higher rates through wider wires with greater cross-sectional areas than through thinner wires.

A short wire has a lower resistance than a long one. Resistance is directly proportional to the length of the path through which current flows: R ∝ L. This means the longer the wire, the more resistance.