For items no. 7 to 9, refer to the figure below:It shows three electric charges labeled q1, q2 and qa, and the electric field lines in the region surroundingthe charges.q17. What are the signs of the three charges? (2pts)C. +q1, +q2, -qaD. +qı, +q2, +qaA. +q1, -92, +qaB. -qı, +q2, - q38. What magnitude of electric field intensity will it experience if a test charge is placed at point A?A. Equal to zeroB. Same as at point BC. Less than at point BD. Greater than at point B9. What can be inferred about the magnitude of electric field intensity it experiences If a test charge isalso placed at point B?A. Equal to zeroB. Same as at point AC. Less than at point AD. Greater than at point A

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the charges. q1 q2 93 7. What are the signs of the three charges? (2pts) C. +qı, +q2, -q D. +qı, +q2, +q A. +91, -q2, +q B. -q1, +q2, - qa

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter8: Electricity And Magnetism

Section: Chapter Questions

Problem 1SA

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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

For items no. 7 to 9, refer to the figure below:
It shows three electric charges labeled q1, q2 and qa, and the electric field lines in the region surrounding
the charges.
q1
7. What are the signs of the three charges? (2pts)
C. +q1, +q2, -qa
D. +qı, +q2, +qa
A. +q1, -92, +qa
B. -qı, +q2, - q3
8. What magnitude of electric field intensity will it experience if a test charge is placed at point A?
A. Equal to zero
B. Same as at point B
C. Less than at point B
D. Greater than at point B
9. What can be inferred about the magnitude of electric field intensity it experiences If a test charge is
also placed at point B?
A. Equal to zero
B. Same as at point A
C. Less than at point A
D. Greater than at point A

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