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In the figure R1 = 15.7 Ω, R2 = 8.19 Ω, and the ideal battery has emf E = 120 V. What is the current at point a if we close (a) only switch S1, (b) only switches S1 and S2, and (c) all three switches? (a) Number Units (b) Number Units (c) Number Units

In the figure R1 = 15.7 Ω, R2 = 8.19 Ω, and the ideal battery has emf E = 120 V. What is the current at point a if we close (a) only switch S1, (b) only switches S1 and S2, and (c) all three switches? (a) Number Units (b) Number Units (c) Number Units

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In the figure R 1 = 15.7 Ω , R 2 = 8.19 Ω , and the ideal battery has emf E = 120 V . What is the current at point a if we close (a) only switch S 1 , (b) only switches S 1 and S 2 , and (c) all three switches? (a) Number i Units ◻ (b) Number i Units ◻ (c) Number i Units ◻

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