A 5.5 meter long Aluminum wire has resistance of 0.40 m?, ? = 2.82 × 10-8 ? ? m, ? = 4.29 × 10-3 C-1. Its conductivity is
A) 233. ? ? m.
B) 3.55 × 107 ?-1 m-1.
C) 2.5 × 103 ?-1 .
D) 2.5 × 103 ? ? m.
E) 2.33 × 107 ?-1 m-1.
B
You might also like to view...
According to the following figure, about how long ago did oxygen reach its current abundance in Earth's atmosphere?
a. 3 billion years ago b. 1 billion years ago c. 0.5 billion years ago d. 0.25 billion years ago e. 0.1 billion years ago
Based on human history, the likelihood that we will eventually colonize other habitable planets in our galaxy is
A) impossible to predict B) high C) zero D) low
A slanted roof rises at 35° above the horizontal, and the straight-line distance from the top of the roof to the bottom edge is 4.5 m. The roof is covered with ice, so it offers no friction to objects sliding on it
A piece of ice at the top suddenly breaks loose and begins to slide down from rest. (a) How long will it take for the ice to reach the bottom edge of the roof? (b) How fast will the ice be traveling just as it reaches the bottom edge?
The best electrically conducting elements are located ________ in the periodic table.
A. in the last two columns B. on the left side or in the transition regions C. in the middle columns D. in the first two rows E. randomly