If the length of a wire increases,its resistance
A)increases.
B)decreases.
C)does not change.
D)will increase or decrease depending on the composition.
E)will change in a way that can not be determined.

Question

Quizplus · Accepted Answer

The increase in length of a wire leads to an increase in resistivity due to the increase in the number of collisions between the electrons and the atoms in the wire. This causes an increase in resistance, in accordance with Ohm's Law (R = ρL/A).

If the Length of a Wire Increases,its Resistance