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Author Question: A 25-F capacitor charged to 50 V and a capacitor C charged to 20 V are connected to each other, with ... (Read 112 times)

WhattoUnderstand

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on: Jul 28, 2018
A 25-F capacitor charged to 50 V and a capacitor C charged to 20 V are connected to each other, with the two positive plates connected and the two negative plates connected. The final potential difference across the 25-F capacitor is 36 V. What is the value of the capacitance of C?
 a. 43 F
  b. 29 F
  c. 22 F
  d. 58 F
  e. 63 F

Question 2

A 6.0-F capacitor charged to 50 V and a 4.0-F capacitor charged to 34 V are connected to each other, with the two positive plates connected and the two negative plates connected. What is the total energy stored in the 6.0-F capacitor at equilibrium?
 a. 6.1 mJ
  b. 5.7 mJ
  c. 6.6 mJ
  d. 7.0 mJ
  e. 3.8 mJ


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sabina576

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Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

b


WhattoUnderstand

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Reply 2 on: Jul 28, 2018
Gracias!

bitingbit

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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