Aluminum has a resistivity of 
What is the resistance of 15 m of aluminum wire of cross-sectional area 1.0 mm2?
A. 1.6
B. 0.40
C. 0.13
D.
E. 56
B. 0.40
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What shape are moons?
a. nearly spherical b. large ones are spherical; small ones are irregular c. small ones are spherical; large ones are irregular d. Earth’s and Jupiter’s moons are spherical; Uranus’s and Neptune’s are not
Which of the jovian planets has/have rings?
A) Neptune B) Jupiter C) Saturn D) Uranus E) all of the above
Four 2.0-µC point are at the corners of a rectangle with sides of length 3.0 cm and 4.0 cm. What is the electric potential (relative to infinity) at the midpoint of the rectangle? (k = 1/4??0 = 9.0 × 109 N ? m2/C2 )
A) 1.3 MV B) 2.9 MV C) 3.5 MV D) 7.8 MV
In stress relaxation, the elastic strain rate is equal to _________the plastic strain rate.
Fill in the blank(s) with the appropriate word(s).