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Author Question: A changing current in one loop of wire can induce a current in another loop of wire even though the ... (Read 125 times)

student77

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on: Jul 28, 2018
A changing current in one loop of wire can induce a current in another loop of wire even though the wires do not touch. The induced current appears almost instantaneously for loops close together. How can this energy exchange happen?
 a. This is one of those things for which science has no adequate explanation yet.
  b. The second loop is affected by the thermal exchange from the heating of the first loop.
  c. It is a gravitational effect on the electrons.
  d. It is done via an electromagnetic wave.

Question 2

Two water waves meet at the same point, one having a displacement above equilibrium of 60 cm and the other having a displacement above equilibrium of 40 cm. At this moment, what is the resulting displacement above equilibrium?
 a. 140 cm
  b. 100 cm
  c. 70 cm
  d. Information about the amplitudes needs to be given to find an answer.


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amandanbreshears

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

D

Answer to Question 2

B


student77

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

bigsis44

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Reply 3 on: Yesterday
Excellent

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