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Author Question: A loop of radius r = 3.0 cm is placed parallel to the xy-plane in a uniform magnetic field = 0.75 T ... (Read 62 times)

OSWALD

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on: Jul 29, 2018
A loop of radius r = 3.0 cm is placed parallel to the xy-plane in a uniform magnetic field = 0.75 T . The resistance of the loop is 18 .
 
  Starting at t = 0, the magnitude of the field decreases uniformly to zero in 0.15 seconds. What is the magnitude of the electric current produced in the loop during that time?
  A) 0.79 mA
  B) 3.9 mA
  C) 1.7 mA
  D) 2.1 mA
  E) 0.20 mA

Question 2

In a hydrogen atom, a given electron has n = 7. How many possible values can  have?
 
  A) 6
  B) 7
  C) 15
  D) 98


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juwms

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

A

Answer to Question 2

B


OSWALD

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

kilada

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Reply 3 on: Yesterday
Gracias!

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