contestada

What happens to the resistance of a wire as its length increases? A. The resistance decreases. B. The resistance is not affected by a change in wire length. C. The resistance alternates between high and low values. D. The resistance increases.

Respuesta :

MathPhys

Answer:

D. The resistance increases.

Explanation:

Resistance of a wire is R = ρL/A, where ρ is the resistivity of the wire, L is the length, and A is the cross sectional area.

As L increases, R increases.

Otras preguntas