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Author Question: A + 5.0-C charge is moved from a negative to a positive plate of a parallel plate capacitor. In ... (Read 42 times)

segrsyd

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  • Posts: 530
on: Jul 29, 2018
A + 5.0-C charge is moved from a negative to a positive plate of a parallel plate capacitor. In moving this charge 0.30 mJ of energy is used. What is the potential difference between the plates of this capacitor?
 
  A) 60 V
  B) 81 V
  C) 55 V
  D) 23 V
  E) 0 V

Question 2

An 8.000-mW laser beam emits a cylindrical beam of light 0.9000 mm in diameter. What is the rms value of the electric field in this beam?
 
  A) 2176 N/C
  B) 1000 N/C
  C) 1088 N/C
  D) 4122 N/C
  E) 2000 N/C


katheyjon

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  • Posts: 331
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

A


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