Part A A +4.0 µC charge is 22 cm to the right of a -7.8 µC charge. Determine the potential at the midpoint between the two charges. Express your answer to two significant figures and include the appropriate units. ? Vmid = Value Units Submit Request Answer Part B Determine the direction of the electric field at the midpoint between the two charges. O to the left. O to the right. Submit Previous Answers v Correct Part C Determine the magnitude of the electric field at the midpoint between the two charges. Express your answer to two significant figures and include the appropriate units. HA ? Emid = Value Units

Part A A +4.0 µC charge is 22 cm to the right of a -7.8 µC charge. Determine the potential at the midpoint between the two charges. Express your answer to two significant figures and include the appropriate units. ? Vmid = Value Units Submit Request Answer Part B Determine the direction of the electric field at the midpoint between the two charges. O to the left. O to the right. Submit Previous Answers v Correct Part C Determine the magnitude of the electric field at the midpoint between the two charges. Express your answer to two significant figures and include the appropriate units. HA ? Emid = Value Units

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter27: Capacitors And Batteries

Section27.2: Capacitors

Problem 27.3CE: a. If capacitor B in Figure 27.8 has a charge of 0.5 nC, what is the potential difference between...

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a. If capacitor B in Figure 27.8 has a charge of 0.5 nC, what is the potential difference between its plates and how much potential energy does it store? b. If capacitor A in Figure 27.8 stores the same amount of potential energy found in part (a), what is the magnitude of the excess charge on its plates? What is the potential difference between its plates? Use the capacitance CA found in Concept Exercise 27.2.
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