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Author Question: How much charge can be placed on a capacitor of plate area 20 cm2 with air between the plates before ... (Read 66 times)

abarnes

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on: Jul 28, 2018
How much charge can be placed on a capacitor of plate area 20 cm2 with air between the plates before it reaches atmospheric breakdown where E = 3.0  106 V/m? (e0 = 8.85  10-12 C2/Nm2)
 a. 6.6  10-7 C
  c. 5.3  10-8 C
  b. 2.7  10-8 C
  d. 4.0  10-7 C

Question 2

A ceiling fan is turned on and reaches an angular speed of 60 rev/min in 20 s. It is then turned off and coasts to a stop in 40 s. In the one minute of rotation, through how many revolutions did the fan turn?
 a. 30
  c. 0
  b. 60
  d. 600


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Andromeda18

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

C

Answer to Question 2

A


abarnes

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Reply 2 on: Jul 28, 2018
Gracias!

marict

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Reply 3 on: Yesterday
:D TYSM

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