Physics
5th Edition
ISBN: 9781260486919
Author: GIAMBATTISTA
Publisher: MCG
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Chapter 21, Problem 39P
(a)
To determine
The power factor of the computer.
(b)
To determine
The phase difference between the voltage and the current.
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Chapter 21 Solutions
Physics
Ch. 21.1 - CHECKPOINT 21.1
A hair dryer is labeled “120 V,...Ch. 21.1 -
Practice Problem 21.1 European Wall Outlet
The...Ch. 21.3 - 21.3 A capacitor is connected to an ac power...Ch. 21.3 - Prob. 21.2PPCh. 21.4 -
CHECKPOINT 21.4
Suppose an inductor and a...Ch. 21.4 - Prob. 21.3PPCh. 21.5 -
CHECKPOINT 21.5
In a series RLC circuit, the...Ch. 21.5 - Prob. 21.4PPCh. 21.5 - Prob. 21.5PPCh. 21.6 - 21.6 Tuning the Radio to a Different Station
Find...
Ch. 21 - Prob. 1CQCh. 21 - 2. Electric power is distributed long distances...Ch. 21 - 3. Explain the differences between average...Ch. 21 - Prob. 4CQCh. 21 - Prob. 5CQCh. 21 - Prob. 6CQCh. 21 - Prob. 7CQCh. 21 - Prob. 8CQCh. 21 - Prob. 9CQCh. 21 - Prob. 11CQCh. 21 - Prob. 10CQCh. 21 - Prob. 13CQCh. 21 - Prob. 14CQCh. 21 - Prob. 15CQCh. 21 - Prob. 12CQCh. 21 - 18. Let’s examine the crossover network of Fig....Ch. 21 - Prob. 1MCQCh. 21 - Prob. 2MCQCh. 21 - Prob. 3MCQCh. 21 - Prob. 4MCQCh. 21 - Prob. 5MCQCh. 21 - Prob. 6MCQCh. 21 - Prob. 7MCQCh. 21 - Prob. 8MCQCh. 21 - Prob. 9MCQCh. 21 -
10. Which graph is correct if the circuit...Ch. 21 - 1. A lightbulb is connected to a 120 V (rms), 60...Ch. 21 - A European outlet supplies 220 V (rms) at 50 Hz....Ch. 21 - 3. A 1500 w heater runs on 120 V rms. What is the...Ch. 21 - 4. A circuit breaker trips when the rms current...Ch. 21 - 5. A 1500 W electric hair dryer is designed to...Ch. 21 - 6. A 4.0 kW heater is designed to be connected to...Ch. 21 - 7. (a) What rms current is drawn by a 4200 w...Ch. 21 - 8. A television set draws an rms current of 2.50 A...Ch. 21 - 9. The instantaneous sinusoidal emf from an ac...Ch. 21 - 10. A hair dryer has a power rating of 1200 W at...Ch. 21 - Prob. 11PCh. 21 -
12. A variable capacitor with negligible...Ch. 21 -
13. At what frequency is the reactance of a 6.0...Ch. 21 - 14. A 0.400 μF capacitor is connected across the...Ch. 21 -
15. A 0.250 μF capacitor is connected to a 220 V...Ch. 21 -
16. A capacitor is connected across the terminals...Ch. 21 - 17. Show, from XC = l/(ωC), that the units of...Ch. 21 - 18. The charge on a capacitor in an ac circuit is...Ch. 21 - 19. A capacitor (capacitance = C) is connected to...Ch. 21 - 20. Three capacitors (2.0 μF, 3.0 μF, 6.0 μF) are...Ch. 21 - 21. A capacitor and a resistor are connected in...Ch. 21 - 22. A variable inductor with negligible resistance...Ch. 21 - Prob. 23PCh. 21 - Prob. 24PCh. 21 - 25. A solenoid with a radius of 8.0 × 10−3 m and...Ch. 21 -
26. A 4.00 mH inductor is connected to an ac...Ch. 21 - 27. Two ideal inductors (0.10 H, 0.50 H) are...Ch. 21 - Prob. 28PCh. 21 - 29. Suppose that an ideal capacitor and an ideal...Ch. 21 - 30. The voltage across an inductor and the...Ch. 21 - 31. Make a figure analogous to Fig. 21.5 for an...Ch. 21 - 32. A 25.0 mH inductor, with internal resistance...Ch. 21 - 33. An inductor has an impedance of 30.0 Ω and a...Ch. 21 -
34. A 6.20 mH inductor is one of the elements in...Ch. 21 - 35. A series combination of a resistor and a...Ch. 21 - 36. A 300.0 Ω resistor and a 2.5 μF capacitor are...Ch. 21 - Prob. 37PCh. 21 - 38. (a) Find the power factor for the RLC series...Ch. 21 - 39. A computer draws an rms current of 2.80 A at...Ch. 21 - 40. An RLC series circuit is connected to an ac...Ch. 21 - 41. An ac circuit has a single resistor,...Ch. 21 -
42. An RLC circuit has a resistance of 10.0 Ω,...Ch. 21 - 43. An ac circuit contains a 12.5 Ω resistor, a...Ch. 21 - 44. ✦ A 0.48 μF capacitor is connected in series...Ch. 21 - 45. A series combination of a 22.0 mH inductor...Ch. 21 - Prob. 46PCh. 21 -
47. A 150 Ω resistor is in series with a 0.75...Ch. 21 -
48. A series circuit with a resistor and a...Ch. 21 - 49. (a) What is the reactance of a 10.0 mH...Ch. 21 - Prob. 50PCh. 21 - Prob. 51PCh. 21 - Prob. 52PCh. 21 - Prob. 53PCh. 21 - Prob. 54PCh. 21 - 55. To test hearing at various frequencies, a...Ch. 21 - Prob. 56PCh. 21 - Prob. 57PCh. 21 - Prob. 58PCh. 21 - Prob. 59PCh. 21 - Prob. 60PCh. 21 - Prob. 61PCh. 21 - Prob. 62PCh. 21 - Prob. 63PCh. 21 - Prob. 64PCh. 21 - Prob. 65PCh. 21 - Prob. 66PCh. 21 - Prob. 68PCh. 21 - Prob. 67PCh. 21 - Prob. 69PCh. 21 - 70. The phasor diagram for a particular RLC series...Ch. 21 - Prob. 71PCh. 21 - Prob. 72PCh. 21 - Prob. 73PCh. 21 - Prob. 74PCh. 21 - Prob. 75PCh. 21 - Prob. 76PCh. 21 - Prob. 77PCh. 21 - Prob. 78PCh. 21 - Prob. 79PCh. 21 - Prob. 80PCh. 21 - Prob. 81PCh. 21 - Prob. 82PCh. 21 - Prob. 83PCh. 21 - Prob. 84PCh. 21 - 85. (a) When the resistance of an RLC series...Ch. 21 - Prob. 86PCh. 21 - Prob. 87PCh. 21 - Prob. 88PCh. 21 - Prob. 89PCh. 21 - Prob. 90PCh. 21 - Prob. 91PCh. 21 - Prob. 92PCh. 21 - In an RLC circuit, these three elements are...Ch. 21 - Prob. 94PCh. 21 - Prob. 95PCh. 21 - Prob. 96PCh. 21 - Prob. 97PCh. 21 - Prob. 98PCh. 21 - Prob. 100PCh. 21 - Prob. 99P
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