Magnetic Field of a Long Wire: A wire lying in the plane of this page carries a current directly toward the top of the page. What is the direction of the magnetic force this current produces on an electron that is moving perpendicular to the page and outward from it on the left side of the wire?
A. perpendicular to the page and towards you
B. perpendicular to the page and away from you
C. toward the top of the page
D. toward the bottom of the page
E. The force is zero.
Answer: E
Physics & Space Science
You might also like to view...
What is the magnitude of the horizontal displacement of the rock?
a. 3.53 m b. 13.3 m c. 222 m d. 26.1 m
Physics & Space Science
A 0.20-kg object attached to the end of a string swings in a vertical circle (radius = 80 cm). At the top of the circle the speed of the object is 4.5 m/s. What is the magnitude of the tension in the string at this position?
a. 7.0 N b. 2.0 N c. 3.1 N d. 5.1 N e. 6.6 N
Physics & Space Science
The average distance from Venus to the Sun is _____
A) 0.7 AU B) 1 AU C) 1.4 AU D) 2 AU
Physics & Space Science
The most reactive of all elements is
a. hydrogen. b. fluorine. c. chlorine. d. sodium.
Physics & Space Science