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Unformatted text preview: yoon (jey283) – Reflection 3 – turner – (56545) 1 This print-out should have 12 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 6) 10.0 points Looking in the direction of motion of the charge, in which direction are the magnetic field vectors aligned with respect to each ring of observation points? (Hint: It may help to rotate the view to observe this.) 1. There are components in the radial and tangential directions. 2. counterclockwise, tangential to the rings 3. clockwise, tangential to the rings 4. radial, outwards 5. radial, inwards 002 (part 2 of 6) 10.0 points What happens to the magnetic field at each observation point when you increase the speed of the moving charge? Increase it by a factor of 3, for instance. Ia) Its maximum magnitude increases. Ib) It approaches the zero vector. Ic) Its maximum magnitude remains the same. IIa) Its direction remains the same. IIb) Its direction becomes opposite. 1. Ia, IIb 2. Ia, IIa 3. Ib, IIa 4. Ic, IIa 5. Ib, IIb 6. Ic, IIb 003 (part 3 of 6) 10.0 points What happens to the magnetic field at each observation point when you change the sign of the charge of the moving particle? Ia) Its maximum magnitude increases. Ib) It approaches the zero vector. Ic) Its maximum magnitude remains the same....
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This note was uploaded on 10/19/2011 for the course PHY 56545 taught by Professor Turner,j during the Fall '11 term at University of Texas.
- Fall '11