AP Physics C Electricity and Magnetism Quiz
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ELECTRIC CHARGES, FIELDS, AND GAUSS'S LAW
Question 1
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A
−
2.0
μ
C
-2.0\,\mu\text{C}
−
2.0
μ
C
metal sphere touches an identical
+
8.0
μ
C
+8.0\,\mu\text{C}
+
8.0
μ
C
sphere; after separation, what is each sphere's charge?
A
+
3.0
μ
C
+3.0\,\mu\text{C}
+
3.0
μ
C
each, by charge conservation and symmetry
B
+
8.0
μ
C
+8.0\,\mu\text{C}
+
8.0
μ
C
and
−
2.0
μ
C
-2.0\,\mu\text{C}
−
2.0
μ
C
, because charges stay with originals
C
+
5.0
μ
C
+5.0\,\mu\text{C}
+
5.0
μ
C
each, because only positive charge moves
D
+
6.0
μ
C
+6.0\,\mu\text{C}
+
6.0
μ
C
each, because contact creates extra charge
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