Ch 18 HW 3

Ch 18 HW 3 - Ch 18 HW 3 S2009 (Homework) Current Score: 5/7...

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Ch 18 HW 3 S2009 (Homework) Current Score: 5/7 Due: Monday, March 9, 2009 11:00 AM EDT About this Assignment Extension Requests Question Points 1 2 3 4 5 3 1 0/1 0/1 1 Total 5/7 Description Surface charge, electric field, potential differences in circuits; Energy conservation and charge conservation in circuits. Instructions Reading: Sec 18.7-18.8 The due date for this assignment is past. Your work can be viewed below, but no changes can be made. 1. 3/3 points All Submissions Notes Question: MI2 18.X.15 Question part Points Submissions 1 2 2 1 1/3 1/1 Total 3/3 What would be the potential difference V C - V B across the thin resistor in Figure 18.46 if the battery emf is 2.1 volts? Assume that the electric field in the thick wires is very small (so that the
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potential differences along the thick wires are negligible). -2.1 -2.1 V Figure 18.46 Do you have enough information to determine the current I in the circuit?
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yes no Solution or Explanation If the electric field in the thick wires is negligible, then emf + (
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Ch 18 HW 3 - Ch 18 HW 3 S2009 (Homework) Current Score: 5/7...

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