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Author Question: Look at the four circuits shown in the figure below, and select those that will light the bulb. (Read 38 times)

rosent76

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on: Jul 28, 2018
Look at the four circuits shown in the figure below, and select those that will light the bulb.
 
Question 2

Suppose a current-carrying wire has a cross-sectional area that gradually becomes smaller along the wire so that the wire has the shape of a very long, truncated cone. How does the drift speed vary along the wire?
  1.It slows down as the cross section becomes smaller.
  2.It speeds up as the cross section becomes smaller.
  3.It doesn't change.
  4.More information is needed.


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DHRUVSHAH

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

3

Answer to Question 2

2


rosent76

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Reply #2 on: Jul 28, 2018
TY


DHRUVSHAH

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Reply #3 on: Jul 28, 2018
You're welcome


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