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proton v B Field out of screen Which free abody represents the moment Construct free diagram body diagram that represents the when the proton enters theenters magnetic field region? moment when the proton the magnetic field region. 1 F field on p Fearth on p 2 Ffield on p Fearth on p 3 Fearth on p Ffield on p An electron is moving to the right across a magnetic field that is coming out of the page. Which pictorial representation matches the above Construct a pictorial representation that matches description? the above description. 1 2 3 4 No picture represents this situation accurately. S N A + - Which diagram below that describes the situation at at Construct a diagram describes the situation point (All are current, at right angles) pointA? A showing B field and the force of the magnetic field on current. 2 1 current B field current A A F magnet on current B field F mag. on current 3 current A B field F magnet on current An electron is moving to the right at a constant speed and enters a magnetic field that is pointed towards the right. Which motion diagram matches the above the Construct a motion diagram that matches description? above description. 1 3 4 2 5 The current in the top wire is larger then in the bottom wire. I I Which forcea diagram represents the forces acting Construct force diagram that represents the on the wires thedue magnetic forces actingdue on to theonly wires to onlyfields? the magnetic 1 fields. 2 Fbot.on top 3 Fbot.on top Ftop on bot. Fbot.on top Ftop on bot. Ftop on bot. B A + – What is the direction of the magnetic field at points A and B due to the current in the wire? A B 1 Into screen Out of screen 2 Out of screen Into screen 3 Into screen Zero field 4 Out of screen Zero field B I I A What is the direction of the magnetic field at points A and B due to the currents in the wires? A B 1 Into screen Out of screen 2 Out of screen Into screen 3 No field Into screen 4 No field Out of screen What should be the orientation of the terminals on the battery? 1 Positive on left, negative on right 2 Negative on left, positive on right 3 Field will not look like this at any orientation, it will be out of or into the page. Two Twocarts, carts,initially initiallyatatrest, rest,have havelarge largemagnets magnetson ontop topofof them themso sothat thatthe thecarts cartsmove movetowards towardseach eachother. other. Which Write a description the above picture? descriptionbest that matches best matches the above picture eachtoward carts each velocity and acceleration. 1.concerning The carts move other with constant velocity. 2. The carts move toward each other with constant acceleration. 3. The carts will start with constant acceleration, but the acceleration will increase once the carts are very close. 4. The acceleration of the two carts will constantly increase as they move closer together. S N Two diagram Twomagnets magnetsare arehung hungas asseen seenabove. above. Which Construct a below represents therepresents magnetic field lines? diagram below that the magnetic field lines. 1 2 3 4