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ECHANICS
RACTICE
ROBLEM
ETS
18. (G21) What is the magnitude and direction of the force between two parallel
wires 45 m long and 6.0 cm apart, each carrying 35 A in the same direction?
Answer: 0.18 N attraction
9
19. (G27) A stream of protons passes a given point in space at a rate of 10
protons.
What magnetic field do they produce 2.0 m from the beam?
-17
Answer: 1.67 x 10
T
Gamzon & Gregorian-Michaelsen
6/7/16