A 25-m wire of diameter 0.30 mm draws 0.499 A when connected across a 3.0-V potential difference
(a) What is the resistance of the wire?
(b) What is the resistivity of the material from which the wire is made?
What will be an ideal response?
(a) 6.0 Ω (b) 1.7 × 10-8 Ω ? m
You might also like to view...
What is the angular resolution of the human eye?
A) about 1 arcminute, or 1/60 of a degree B) about 1 degree C) about 1 arcsecond (1/3600 of a degree) D) about 1 milliarcsecond
Heisenberg's uncertainty principle is most important for
a. very large objects, such as the Moon. b. very large distances. c. very small particles, such as electrons. d. very small angular momentum.
Describe the central bulge of our galaxy
What will be an ideal response?
As a supersonic aircraft increases in speed, the angle of its V-shaped shock wave becomes
A) wider. B) narrower. C) both of these D) neither of these