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Pre-class Quiz

Read: Griffiths 7.1.2-7.1.3

Question 1 A certain wire has a resistance R.
What is the resistance of a second wire , made of the same material, that is half as long and has half the diameter?




Question 2 The figure shows the current i in a single loop circuit with a battery B and a resistance R.

Wires have negligible resistance.
Where among the points a, b, c is the greatest electric potential energy of the charge carriers?