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PHY250H1S
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Lecture 11
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Pre-class Quiz
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Pre-class Quiz
Read: 2.4.1, 2.4.2 from Griffiths
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Question 1
As seen in the figure below, we move a particle of charge +2e from infinity to the x-axis.
How much work do we do? Distance D is 4 m.
a) 1.15*10^(-28) J
b) 2.3*10^(-28) J
c) 4.6*10^(-26) J
Question 2
The figure shows a family of parallel equipotential surfaces (in cross section) and five paths along which we shall move an electron from one surface to another. On which path do we use the least work?
1)
2)
3)
4)
5)
Justify your reasoning:
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Lecture 11
Pre-class Quiz
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