How many protons are needed to make 1 C of charge?
Required
1 point
1
Question 2
2.
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?
Required
1 point
1
Question 3
3.
Consider the triboelectric series given below:
Pick the correct statement describing what will happen when a glass rod is rubbed against silk
Required
2 points
2
Question 4
4.
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
Required
4 points
4
Question 5
5.
Match the definitions to the correct terms.
Draggable item
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Corresponding Item
The neutral body is charged by a charged body through direct contact with the charged body.
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conduction
The neutral body is charged without any direct contact with the charged body.
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induction
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.
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polarization
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.