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Physics
Physics
Problem
An object of mass 1 kg contains
4
×
10
20
4 \times 10^{20}
4
×
1
0
20
atoms. If one electron is removed from every atom of the solid, then the charge gained by the solid of 1 g is (a)
2.8
C
2.8 \text{ C}
2.8
C
(b)
6.4
×
10
−
2
C
6.4 \times 10^{-2} \text{ C}
6.4
×
1
0
−
2
C
(c)
3.6
×
10
−
3
C
3.6 \times 10^{-3} \text{ C}
3.6
×
1
0
−
3
C
(d)
9.2
×
10
−
4
C
9.2 \times 10^{-4} \text{ C}
9.2
×
1
0
−
4
C
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