Question

state four factors that affect resistance

Answer 1

• resistivity of conductor
• length of the conductor
• cross sectional area of the conductor
• tempreture

hope it helps u in anyway

Answer 2

Explanation:

The expression for the resistance is as follows;

$R=\frac{\rho L}{A}$

Here, $\rho$ is the resistivity, L is the length of the conductor and A is the area of the cross section.

The following are the factors affecting the resistance:

Length of the conductor: The resistance of the wire is directly proportional to the length of the wire. If the length of the wire increases then the resistance of the wire increases.

Temperature: Resistance increases with the increase in temperature.

Thickness: Thin wire has more resistance in comparison to the thicker wire.

Cross sectional area of the wire: The cross sectional area and the resistance has an inverse relationship.