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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