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Author Question: A parallel-plate capacitor consists of two parallel, square plates that have dimensions 1.0 cm by ... (Read 142 times)

Lobcity

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on: Jul 29, 2018
A parallel-plate capacitor consists of two parallel, square plates that have dimensions 1.0 cm by 1.0 cm.
 
  If the plates are separated by 1.0 mm, and the space between them is filled with teflon, what is the capacitance of this capacitor? (The dielectric constant for teflon is 2.1, and 0 = 8.85  10-12 C2/N  m2.)
  A) 1.9 pF
  B) 0.44 pF
  C) 2.1 pF
  D) 0.89 pF

Question 2

What is the orbital radius of the n = 3 excited state in the Bohr model of the hydrogen atom? The ground-state radius of the hydrogen atom is 0.529  10-10 m.
 
  A) 0.476 nm
  B) 0.159 nm
  C) 0.381 nm
  D) 0.548 nm


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Benayers

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

A

Answer to Question 2

A


Lobcity

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Reply 2 on: Jul 29, 2018
Gracias!

carlsona147

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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