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Electrostics Quiz

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Last updated about 1 year ago
5 questions
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2
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1
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4
Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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The charge of an electron is -1,6 x10-19 C.
How many protons are needed to make 1 C of charge?
-1,6 X 10 -19
6,25 X 10-18
6,25 X1018
1,6 X 10-19
In a physics lab, you charge up three metal spheres, two with +3nC each, and one with −4nC. When you bring all three spheres together so that they all touch one another, what is the total charge on all three spheres which are now touching?
+1nC
+2nC
+5nC
+6nC
Consider the triboelectric series given below:
Pick the correct statement describing what will happen when a glass rod is rubbed against silk
The glass rod gives protons to silk when they are rubbed against each other
The glass rod gives electrons to silk when they are rubbed against each other.
The glass rod gains protons from silk when they are rubbed against each other.
The glass rod gains electrons when they are rubbed against each other.
Two charged pith balls on isolated strings are brought into contact with each other. Initially ball one had a charge of +11nC and ball two has a charge of +7nC. Calculate the number of electrons transferred from one ball to the next. The charge of an electron is -1,6 x10-19 C
5,63 X 1010 electrons
5,63X 1019 electrons
1,25 x 1010 electrons
1,25 x 10 19 electrons
Match the definitions to the correct terms.
When a charged object is brought near an uncharged object, causing the electrons in the uncharged object to move to one side, creating two oppositely charged ends.
conduction
The process of removing the excess charge on an object by means of the transfer of electrons between it and another object of substantial size, or with the earth.
induction
The neutral body is charged without any direct contact with the charged body.
polarization
The neutral body is charged by a charged body through direct contact with the charged body.
grounding