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HWK34_11G

HWK34_11G - R 1(Hint P R 1 = V R 1 I 5 What is the voltage...

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Homework 34: Series Circuits (Due Wednesday 3/28/07) SAR Physics AM Kolchin All work, equations, and units must be shown to get full credit. Below is a series circuit with three resistances. The resistances are: R 1 = 20 Ω R 2 = 40 Ω R 3 = 60 Ω A voltage of: V T = 120 V is maintained between points a and d. 1

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1. Calculate R EQ for this circuit by summing up the resis- tances. 2. What is the current ( I ) through this circuit? 3. What is the voltage drop V R 2 across R 2 ? (Apply Ohm’s Law between points b and c.) 4. What is the power used by
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Unformatted text preview: R 1 ? (Hint: P R 1 = V R 1 I ). 5. What is the voltage drop V R 2 across R 2 ? (Apply Ohm’s Law between points b and c.) 6. What is the power used by R 2 ? 7. What is the voltage drop V R 3 across R 3 ? (Apply Ohm’s Law between points c and d.) 8. What is the power used by R 3 ? 9. Add the voltage drops across R 1 and R 2 and R 3 . V R 1 + V R 2 + V R 3 = 10. What is the total power drawn from the voltage source? 2...
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HWK34_11G - R 1(Hint P R 1 = V R 1 I 5 What is the voltage...

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