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Transcript
Magnetism Challenge Four particles enter a magnetic field. They are a neutron, an electron, a proton, and an alpha particle (+2). Which track is the proton? If an iron bar is placed in a magnetic field, which one of the figures represents the distortion of the field? What is the strength of the B-field at point P? What is the direction of the Bfield at point P? Electrons flow along a wire directed out of the page. What is the direction of the magnetic force on the wire? What is the magnitude of the B-field at point P, if the current is 1 A? Which diagram shows the correct magnetic field around the wire? Which one is the correct representation? Which one is correct? When the switches are closed will these two bars attract or repel? What is the direction of the Bfield at point P? Which is correct? What is the correct polarity on the paper clips? Where is the North pole? What is the direction of the magnetic field at the center of the loop? Where is the South pole? What happens to the strength of the field if the resistance decreases? What is the resistance? Where is the North pole? What is the direction of the magnetic force on the segment AB? What is the direction of electron flow in the wire? What is the direction of the current in the coil? Where is the field strongest? What is the pole at K? What is the force on segment bc? (magnitude and direction) If this wire were made from a loose chain, would it expand to form a circle, compact to a point, or nothing? Which shows the correct electric field around a negative charge? Which is correct? Which shows the correct magnetic field around a positive current moving into the board?
