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quester [9]
3 years ago
10

What causes an electric charge?

Physics
1 answer:
Alex777 [14]3 years ago
4 0
It would be choice 2
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How is modeling useful in studying the structure of the atom?
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Modelling the structure of the atom is important because modeling replaces the real system with something similar but easier to examine. Option B

<h3>What is modeling?</h3>

A model is a representation of reality. We know that a model could help us to recreate reality in a manner that we could be able to relate fully with it. A model could be used also a means of explanation.

The atomic models that we have usually help us to understand more abut the atom. Therefore, modelling the structure of the atom is important because modeling replaces the real system with something similar but easier to examine. Option B

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James weighs 67 pounds on Earth. He has a mass of 30 kilograms. Which of the following is true?
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Which of the following statements are true concerning the creation of magnetic fields? Check all that apply. Check all that appl
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<h3><u>Answer;</u></h3>
  • A moving electric charge creates a magnetic field at all points in the surrounding region.
  • An electric current in a conductor creates a magnetic field at all points in the surrounding region.
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