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Author Question: Two iron bars are on the laboratory table. They are identical in every respect except that one is a ... (Read 357 times)

Arii_bell

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on: Jul 28, 2018
Two iron bars are on the laboratory table. They are identical in every respect except that one is a magnet and the other is not. Without using anything other than the two iron bars, explain how you could identify the magnet.

Question 2

Explain why the lines of force never cross one another. (Hint: Consider the direction of a magnetic line of force.)


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Pswine

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

The nonmagnetized iron bar will neither attract nor repel the center section of the
magnetized bar, but the magnetized iron bar will attract the center section of the
nonmagnetized bar.

Answer to Question 2

If lines of magnetic force crossed one another, the point of intersection would show
two different directions of the magnetic field at the intersecting point. This is
impossible.


Arii_bell

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Reply #2 on: Jul 28, 2018
TY


Pswine

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


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