eletricity and magnetism quiz - decemeber 1st
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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explain how magnetic domains are important or something to be magnetic. | it is important because all the group of atoms with their fields pointing in the same direction.
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what does ferromagnetic mean? | it means that an object is able to become magnetic.
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list the 3 most common ferromagnetic elements: | iron, nickel, and cobalt
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why can we see the northern and southern lights? | because the sun ejects a large number of charged particals at one. (solar wind and chemicals)
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what are the nothern and southern lights called? | southern-Aurora Australis northern-Aurora Borealis
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what is the formula for voltage? | V= I*R
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what is the formula for amperage? | I = V / R
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what is the formula for resistance? | R = I*V
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what is voltage? | is a measure of how muh electrical potential energy each electron can gain
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what is resistance? | is a measure of how difficult it is for eletrons to flow through a material
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what is amperage? | electric current of flow
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why does an object become positively charged? |
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Created by:
mollypainter
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