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Lecture 14—Circuits Part 4

Lecture 14—Circuits Part 4. RC Circuits Household circuits. Household Electricity. Slide 23-22. The following devices are plugged in to outlets on the same 120 V circuit in a house. This circuit is protected with a 15 A circuit breaker. Device Power Computer 250 W Heater 900 W

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Lecture 14—Circuits Part 4

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  1. Lecture 14—Circuits Part 4 RC Circuits Household circuits

  2. Household Electricity Slide 23-22

  3. The following devices are plugged in to outlets on the same 120 V circuit in a house. This circuit is protected with a 15 A circuit breaker. Device Power Computer 250 W Heater 900 W Lamp 100 W Stereo 120 W Is there too much current in the circuit—does the circuit breaker blow? Slide 23-23

  4. Does the breaker blow? • Yes • No

  5. Total current • Device Current • Computer 2.08 A • Heater 7.50 A • Lamp 0.83 A • Stereo 100 A • TOTAL 11.42

  6. Capacitor Combinations Slide 23-24

  7. Which of the following combinations of capacitors has the highest capacitance? • A • B • C • D

  8. Which of the following combinations of capacitors has the lowest capacitance? • A • B • C • D

  9. RC Circuits  = RC Slide 23-29

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