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Author Question: A current in a solenoid coil creates a magnetic field inside that coil. The field strength is ... (Read 67 times)

jparksx

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on: Jul 28, 2018
A current in a solenoid coil creates a magnetic field inside that coil. The field strength is directly proportional to:
 a. Both A and B are valid choices.
  c. the coil area. b. the current.
  d. None of the above choices are valid.

Question 2

Four identical springs each have the same spring constant k. If these four springs are attached end to end forming a spring four times the length of one of the original springs, what will be the spring constant of the combination?
 a. k
  c. 4k
  b. k/4
  d. 1.41k


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jesse.fleming

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


jparksx

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Reply 2 on: Jul 28, 2018
Wow, this really help

amit

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

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