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Question
An electron is launched with velocity 
in a uniform magnetic field 
. The angle 
between and is between 0 and 90o. As a result, the electron follows a helical path. The pitch of the helix is:
A) the angle the helix makes with the magnetic field
B) the angle the helix makes with the electron's velocity vector
C) the radius of the circular motion
D) the distance between adjacent turns of the helix
E) the time it takes the electron to move from one turn of the helix to the next
Answer
This answer is hidden. It contains 1 characters.
Related questions
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Q:
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For a controlled nuclear fusion reaction, one needs:
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Q:
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Q:
A certain nucleus, after absorbing a neutron, emits a and then splits into two alpha particles. The (A, Z) of the original nucleus must have been:A) 6, 2B) 6, 3C) 7, 2D) 7, 3E) 8, 4
Q:
Radioactive polonium, 214Po (Z= 84), decays by alpha emission to:
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Q:
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Q:
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