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

Physics & Space Science

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The primary use for tungsten carbide is for _________tools.

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science

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

Physics & Space Science

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.

Physics & Space Science

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

Physics & Space Science