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Author Question: A large electromagnet has a 22 T magnetic field between its poles. What is the magnetic energy ... (Read 120 times)

tth

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on: Jul 29, 2018
A large electromagnet has a 22 T magnetic field between its poles. What is the magnetic energy density in that region of space? (0 = 4  10-7 T  m/
 
  A)
  A) 30,000 J/cm3 B) 190 J/cm3 C) 88 J/cm3 D) 240 J/cm3

Question 2

When a current of 2.0 A flows in the 100-turn primary of an ideal transformer, this causes 14 A to flow in the secondary. How many turns are in the secondary?
 
  A) 14 B) 4 C) 114 D) 356 E) 700


connor417

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

B

Answer to Question 2

A


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