Consider electrons flowing Southward along a horizontal power line. The magnetic field generated directly below the wire by the current is pointing
A) Eastward.
B) Westward.
C) Northward.
D) Southward.
E) upward.
B
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The primary use for tungsten carbide is for _________tools.
Fill in the blank(s) with the appropriate word(s).
What is responsible for much of the erosion of Earth's surface?
a. lava flows b. solar wind c. impact craters d. convection e. water
A 5.00-kg box slides 4.00 m across the floor before coming to rest. What is the coefficient of kinetic friction between the floor and the box if the box had an initial speed of 3.00 m/s?
A) 1.13 B) 0.587 C) 0.115 D) 0.229 E) 0.267
Three capacitors have capacitances C1 < C2 < C3 . If these capacitors are connected in series, which of the following is true for the resulting equivalent capacitance?
a. Ceq < C1 c. Ceq = (C1 + C2 + C3)/3 b. Ceq > C3 d. None of the above is always correct.