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asambeis [7]
3 years ago
6

The net electric charge of an amber rod which has been rubbed with fur is called negative Group of answer choices because amber

is an insulator by arbitrary convention so that the proton charge will be positive because like charges repel None of the above
Physics
1 answer:
bonufazy [111]3 years ago
3 0

Answer:

The right option is option E. None of the answer choices given are totally correct.

Explanation:

All insulators normally have an equal amount of positive and negative charges distributed on their surface.

The amber rod (an insulator) is called negative because after the coming together with fur (another insulator), the amber rod rubs off electrons from the fur onto itself and has an overall more negatively charged particles than positively charged particles on its surface.

The fur in turn becomes positive because it has more positive charges than negative on its surface.

So, the convention allows the now rubbed off amber rod to be called negative.

So, it is evident that none of the answer choices are totally correct, the right answer is more of a mix of some of the answer choices and more!

Hope this helps!!

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Answer:

it will move towards the object's magnetic south

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The compass pints towards the earth geographic north because the magnetic south of the earth's magnetic field is located in there, if you placed such compass neaar the piece of ferromagnetic material, the magnetic field produced by the magnet will make the compass needle point towards its south magnetic pole, in the same fashion as it points to the earth's magnetic south. It will point to the object's south pole because the magnetic field will be stronger than the earth's (which is weak) that is because of the way magnetism works, opposite poles are attracted and similar poles will tend to separate from each other

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Sergeu [11.5K]
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3 years ago
If Anya decides to make the star twice as massive, and not change the length of any crossbar or the location of any object, what
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Answer:

She will make the mass of the smiley face twice as massive in order to keep the mobile in perfect balance.

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