In the figure the capacitances are C1 = 1.2 uF and C2 = 3.1 uF, and both capacitors are charged to a potential difference of V = 140 V but with opposite polarity as shown. Switches S, and S2 are now closed. (a) What is now the potential difference between points a and b? What now is the charge on capacitor (b) 1 and (c) 2? (a) Number i Units (b) Number i Units (c) Number i 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
Section: Chapter Questions
Problem 7PQ: In Figure P27.7, capacitor 1 (C1 = 20.0 F) initially has a potential difference of 50.0 V and...
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In the figure the capacitances are C1 = 1.2 µF and C2 = 3.1 µF, and both capacitors are charged to a potential difference of V = 140 V
but with opposite polarity as shown. Switches S1 and S2 are now closed. (a) What is now the potential difference between points a
and b? What now is the charge on capacitor (b) 1 and (c) 2?
%3D
C2
S2
(a) Number
i
Units
(b) Number
i
Units
i
Units
(c) Number
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Transcribed Image Text:In the figure the capacitances are C1 = 1.2 µF and C2 = 3.1 µF, and both capacitors are charged to a potential difference of V = 140 V but with opposite polarity as shown. Switches S1 and S2 are now closed. (a) What is now the potential difference between points a and b? What now is the charge on capacitor (b) 1 and (c) 2? %3D C2 S2 (a) Number i Units (b) Number i Units i Units (c) Number <> <>
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