Current, DC Circuit Begin Date: 3/28/2016 12:00:00 AM--Due Date: 4/11/2016 12:00

Question

Current, DC Circuit Begin Date: 3/28/2016 12:00:00 AM--Due Date: 4/11/2016 12:00:00 AM End Date: 4/11/2016 12:00:00 AM (896) Problem 6: Two batteries with -5 V and internal resistance r= 3 and a resistor with Ro 85 are connected in series as shown in the figure. 0 ©theexpertta.com 25% Part (a) Express the total resistance R in terms of r and Ro 25% Part (b) Express the current In terms of the emf and the total resistance R. 25% Part (c) Express the voltage V across the resister in terms of 1 and Ro. aterial. | > Grade Summary 096 100% Submissions Attempts remaining: 0% per attempt) detailed view 7 8 9 HOME 123- 0% 096 096 NO B BACKSPACE DEL CLEAR Hint Feedback: i for a 0% deduction Hints: 0% deduction per hint. Hints remaining No meaningful feedback available for the cument submission Submission Historv Totals Hints Feedback Answer 0% 0% 0% 0% 096 | 096 0% 0% 00%% 096 096 0% 096 1-(IR)2 6 This is emf the voltage on the resistor is smaller 006 00% 2J7-IR 3 JV= (1R0-21r)/2 Totals 250

Explanation / Answer

c) Delta V = IR0

d) I = 2E/(85+6) = 10/91= 0.1098 A

Delta V = I*R0 = 0.1098*85= 9.34 V

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