Download Review Answer Key: Right-Hand Rules

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Transcript
Review Answer Key: Right-Hand Rules
1. In the sketch to the right, which path (A or B)
represents the path that would be followed
by a positively-charged particle entering the
region of magnetic field with initial velocity
vector
as shown? Use a right-hand rule to
help explain your answer
A
B
2. In the sketch to the left, draw the path that
would be followed by a negatively-charged
particle entering the region of magnetic
field with initial velocity vector
as shown.
Use a right-hand rule to help explain your
answer
3. In the sketch to the right, a particle moves in
a circular path in a magnetic field region.
a) Sketch the direction of the force vectors at
the points labeled “A”, “B”, and “C”
C
A
b) Which direction is the does the magnetic field
point if the particle is positively-charged?
c) Which direction would the magnetic field
point if the particle is negatively-charged?
4. Use an arrow ( , , , ) or a symbol ( or ×) to
indicate the direction of the following vectors:
a) – c) Force ( ) on an electron
d) – f)  Force ( ) on a proton
d)
e)
B
a)
c)
b)
f)
5. Use an arrow ( , , , ) or a symbol ( or ×) to
indicate the direction of the following vectors:
a) Velocity( ) of an electron
b) Velocity( ) of a proton
c) Magnetic field ( ) surrounding an electron
d) Magnetic field ( ) surrounding a proton
a)
b)
c)
d)
Review Answer Key: Right-Hand Rules
6. Determine the direction of the force on
the current carrying wire in the
wire
magnetic field if
a) the current runs right to left
b) the current runs left to right
wire
7. Determine the direction of the current in
the wire if the wire experiences a force
a) in the direction
I
b) in the × direction
I
8. Determine the direction of the current
in the wire loop if the wire is
a) pushed to the right
CW
b) pulled to the left
CCW
9. Determine the direction of the current in the wire loop for
parts a) through f)
b) I increasing
a)
c)
CW
CCW
CCW
I increasing
d)
I decreasing
e)
CCW
I increasing
I decreasing
CW
f)
CW
I decreasing