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Author Question: A 25-mF capacitor charged to 50 V and a capacitor C charged to 20 V are connected to each other, ... (Read 105 times)

ericka1

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on: Jul 28, 2018
A 25-mF 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-mF capacitor is 36 V. What is the value of the capacitance of C?
 a. 43 mF
  b. 29 mF
  c. 22 mF
  d. 58 mF
  e. 63 mF

Question 2

A 3.0-mF capacitor charged to 40 V and a 5.0-mF capacitor charged to 18 V are connected to each other, with the positive plate of each connected to the negative plate of the other. What is the final charge on the 3.0-mF capacitor?
 a. 11 mC
  b. 15 mC
  c. 19 mC
  d. 26 mC
  e. 79 mC


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daiying98

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

C

Answer to Question 2

A


ericka1

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  • Posts: 544
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

ttt030911

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Reply 3 on: Yesterday
Wow, this really help

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