The
electrical resistance of a wire is
proportional to the square of the length of the wire.
Inversely
proportional to the resistivity of the wire material
Inversely
proportional the square of the radius of the wire.
Inversely
proportional to the circumference of the wire.
HINT
This question of the day was provided by the
courtesy of Professor
Autar Kaw of the
University of South Florida
from the book FE Practice Exam With Complete Solutions
