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Author Question: A long, fine wire is wound into a coil with inductance 5 mH. The coil is connected across the ... (Read 69 times)

cnetterville

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on: Jul 28, 2018
A long, fine wire is wound into a coil with inductance 5 mH. The coil is connected across the terminals of a battery, and the current is measured a few seconds after the connection is made. The wire is unwound and wound again into a different coil with L = 10 mH. This second coil is connected across the same battery, and the current is measured in the same way. Compared with the current in the first coil, the current in the second coil is:
  1.four times as large.
  2.twice as large.
  3.unchanged.
  4.half as large.
  5.one-fourth as large.

Question 2

What is the composition of minerals?


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jaykayy05

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

3

Answer to Question 2

Minerals are composed of elements.


cnetterville

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

hollysheppard095

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Reply 3 on: Yesterday
Wow, this really help

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