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A dipole consisting of two oppositely charged balls connected by a wooden stick is located as shown in the following gure. A block of plastic
A dipole consisting of two oppositely charged balls connected by a wooden stick is located as shown in the following gure. A block of plastic is located nearby, as shown. Assume each of the molecules throughout the block has the same polarizability. Locations B, C, and D all lie on a line perpendicular to the axis of the dipole, passing through the midpoint of the dipole. Plastic block Q C3 i. -.l_ B Before selecting answers to the following questions, you might want to draw your own diagram of this situation, showing all the elds and charge distributions requested. Answer the following questions by selecting either a direction (IVIII) or an orientation of a polarized molecule (AJ) from the following two diagrams. A B C D E + O F G& H% 1% JOther VI 1 VII 111 VI IV Which of the arrows (IVIII) best indicates the direction of the electric eld at location D due only to the dipole? 1. VIII 2. VII 3. IV 4. III 8.V part 2 of 8 1. Diagram C Which of the diagrams (A-J) best indicates O 2. Diagram A the polarization of a molecule of plastic at location D? 3. Diagram H 4. Diagram F 5. Diagram I 6. Diagram E 7. Diagram B O 8. Diagram D O 9. Diagram G 10. Diagram JYour response... Which of the following statements is cor o rect? Enter all the apply, separated by com- \" A. A molecule located at C would not be polarized at all. B. The polarization of a molecule located at D would be the same as the polarization of a molecule located at C. C. A molecule located at D would be po- larized more than a molecule located at C D. A molecule located at D would be po- larized less than a molecule located at C Which of the arrows (I-VIII) best indicates Q 2. VII the direction of the electric eld at location B due only to the dipole? O 3. IV 0 4- II 0 5- I O 6- VI 0 7- V O 8- III part 5 of 8 0 1. VI Which of the arrows (I-VIII) best indicates O 2. I the direction of the electric field at location B due only to the plastic block? The magnitude O 3. II o the electric field at B due to the plastic is less than the magnitude of the electric field at O 4. VIII B due to the dipole. 0 5. IV O 6. VII 0 7. III 0 8. V part 6 of 8 O 1. VII Which of the arrows (I-VIII) best indicates O 2. III the direction of the net electric field at loca- tion B? O 3. VIII O 4. II 0 5. I O 6. V O 7. VI 8. IVWhich of the following statements is cor- rect? Enter all that apply, separated by com- mas. A. The net electric eld at B would be larger if the plastic block were not there. B. The net electric eld at B would be the same if the plastic block were not there. C. The net electric eld at B would be smaller if the plastic block were not there. D. The net electric eld at B would be zero if the plastic block were not there. Using the diagrammatic conventions dis- cussed in the text, a student drew the dia- gram in the following gure to help answer the questions asked above. Which of the follow- ing statements about the student's diagram are true? Enter all that apply, separated by commas. $06 Plastic block A. The direction of polarization of the plas- tic block is wrong. B. The diagram is correct; this is just a different way of drawing the polarization. C. The diagram shows mobile charges; this is wrong because an insulator does not have mobile charged particles. Your response... PALETTE Your response... PALETTE
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