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. DevicePower Computer250 W Heater900 W Lamp100 W Stereo120 W Is there too much current in the circuit—does the circuit breaker blow? Slide 23-23

4. Does the breaker blow? 1.Yes 2.No

5. Total current DeviceCurrent Computer2.08 A Heater7.50 A Lamp0.83 A Stereo100 A TOTAL11.42

6. Capacitor Combinations Slide 23-24

7. Which of the following combinations of capacitors has the highest capacitance? 1.A 2.B 3.C 4.D

8. Which of the following combinations of capacitors has the lowest capacitance? 1.A 2.B 3.C 4.D

9. RC Circuits Slide 23-29  = RC