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Author Question: A solenoid of length l = 0.7 m and radius R = 5 cm stores an amount of energy U = 6 10-6 J when a ... (Read 96 times)

jman1234

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on: Jul 29, 2018
A solenoid of length l = 0.7 m and radius R = 5 cm stores an amount of energy U = 6  10-6 J when a current I = 0.4 A passes through it. What is the winding density of the solenoid?
 
  A)
 
  865 turns /m
  B)
 
  472 turns/m
  C)
 
  1078 turns/m
  D)
 
  104 turns/m
  E)
 
  327 turns /m

Question 2

The acceleration of gravity can vary locally on the Earth's surface because of the presence of rocks of different densities.
 
  Indicate whether the statement is true or false


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anyusername12131

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

D

Answer to Question 2

TRUE


jman1234

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Reply 2 on: Jul 29, 2018
Excellent

Viet Thy

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Reply 3 on: Yesterday
Wow, this really help

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