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Author Question: An capacitor consists of two large parallel plates of area A separated by a very small distance d. ... (Read 170 times)

Capo

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on: Jul 29, 2018
An capacitor consists of two large parallel plates of area A separated by a very small distance d. This capacitor is connected to a battery and charged until its plates carry charges +Q and -Q, and then disconnected from the battery.
 
  If the separation between the plates is now doubled, the potential difference between the plates will A) double.
  B) quadruple.
  C) be cut in half.
  D) be cut in fourth.
  E) not change.

Question 2

How many joules of energy are used by a 1.0-hp motor that runs for 1.0 hour? (1 hp = 746 W)
 
  A) 3.6 kJ
  B) 2.7 MJ
  C) 45 kJ
  D) 4.8 J


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kingfahad97

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

B


Capo

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

amcvicar

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Reply 3 on: Yesterday
Gracias!

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