 31.Q31.1: Household electric power in most of western Europe is supplied at 2...
 31.Q31.2: The current in an ac power line changes direction 120 times per sec...
 31.Q31.3: In an ac circuit, why is the average power for an inductor and a ca...
 31.Q31.4: Equation (31.14) was derived by using the relationship i = dq>dt be...
 31.Q31.5: Fluorescent lights often use an inductor, called a ballast, to limi...
 31.Q31.6: Equation (31.9) says that vab = L di>dt (see Fig. 31.8a). Using Far...
 31.Q31.7: Is it possible for the power factor of an LRC series ac circuit t...
 31.Q31.8: In an LRC series circuit, can the instantaneous voltage across th...
 31.Q31.9: In an LRC series circuit, what are the phase angle f and power fa...
 31.Q31.10: When an LRC series circuit is connected across a 120V ac line, t...
 31.Q31.11: In Example 31.6 (Section 31.4), a hair dryer is treated as a pure r...
 31.Q31.12: A light bulb and a parallelplate capacitor with air between the pl...
 31.Q31.13: A coil of wire wrapped on a hollow tube and a light bulb are connec...
 31.Q31.14: A circuit consists of a light bulb, a capacitor, and an inductor co...
 31.Q31.15: A circuit consists of a light bulb, a capacitor, and an inductor co...
 31.Q31.16: Can a transformer be used with dc? Explain. What happens if a trans...
 31.Q31.17: An ideal transformer has N1 windings in the primary and N2 windings...
 31.Q31.18: An inductor, a capacitor, and a resistor are all connected in serie...
 31.Q31.19: You want to double the resonance angular frequency of an LRC seri...
 31.31.1: You have a special light bulb with a very delicate wire filament. T...
 31.31.2: A sinusoidal current i = I cos vt has an rms value Irms = 2.10 A. (...
 31.31.3: The voltage across the terminals of an ac power supply varies with ...
 31.31.4: A capacitor is connected across an ac source that has voltage ampli...
 31.31.5: An inductor with L = 9.50 mH is connected across an ac source that ...
 31.31.6: A capacitance C and an inductance L are operated at the same angula...
 31.31.7: Kitchen Capacitance. The wiring for a refrigerator contains a start...
 31.31.8: (a) Compute the reactance of a 0.450H inductor at frequencies of 6...
 31.31.9: (a) What is the reactance of a 3.00H inductor at a frequency of 80...
 31.31.1: A Radio Inductor. You want the current amplitude through a 0.450mH...
 31.31.11: A 0.180H inductor is connected in series with a 90.0@ resistor and...
 31.31.12: A 250@ resistor is connected in series with a 4.80@mF capacitor and...
 31.31.13: A 150@ resistor is connected in series with a 0.250H inductor and ...
 31.31.14: You have a 200@ resistor, a 0.400H inductor, and a 6.00@mF capacit...
 31.31.15: The resistor, inductor, capacitor, and voltage source described in ...
 31.31.16: A 200@ resistor, 0.900H inductor, and 6.00@mF capacitor are connec...
 31.31.17: A resistor with R = 300 and an inductor are connected in series acr...
 31.31.18: The power of a certain CD player operating at 120 V rms is 20.0 W. ...
 31.31.19: In an LRC series circuit, the components have the following value...
 31.31.2: (a) Show that for an L@R@C series circuit the power factor is equal...
 31.31.21: (a) Use the results of part (a) of Exercise 31.21 to show that the ...
 31.31.22: An LRC series circuit with L = 0.120 H, R = 240 , and C = 7.30 mF...
 31.31.23: An LRC series circuit is connected to a 120Hz ac source that has...
 31.31.24: A series ac circuit contains a 250@ resistor, a 15mH inductor, a 3...
 31.31.25: A series ac circuit contains a 250@ resistor, a 15mH inductor, a 3...
 31.31.26: In an L@R@C series circuit the source is operated at its resonant a...
 31.31.27: Analyzing an LRC Circuit. You have a 200@ resistor, a 0.400H ind...
 31.31.28: An LRC series circuit is constructed using a 175@ resistor, a 12....
 31.31.29: In an LRC series circuit, R = 300 , L = 0.400 H, and C = 6.00 * 1...
 31.31.3: An LRC series circuit consists of a source with voltage amplitude...
 31.31.31: In an LRC series circuit, R = 150 , L = 0.750 H, and C = 0.0180 m...
 31.31.32: In an LRC series circuit, R = 400 , L = 0.350 H, and C = 0.0120 m...
 31.31.33: In an LRC series circuit, L = 0.280 H and C = 4.00 mF. The voltag...
 31.31.34: Off to Europe! You plan to take your hair dryer to Europe, where th...
 31.31.35: A StepDown Transformer. A transformer connected to a 120V (rms) a...
 31.31.36: A StepUp Transformer. A transformer connected to a 120V (rms) ac ...
 31.31.37: A coil has a resistance of 48.0 . At a frequency of 80.0 Hz the vol...
 31.31.38: When a solenoid is connected to a 48.0V dc battery that has neglig...
 31.31.39: An LRC series circuit has C = 4.80 mF, L = 0.520 H, and source vo...
 31.31.4: Five infiniteimpedance voltmeters, calibrated to read rms values, ...
 31.31.41: A parallelplate capacitor having square plates 4.50 cm on each sid...
 31.31.42: A toroidal solenoid has 2900 closely wound turns, crosssectional a...
 31.31.43: A series circuit has an impedance of 60.0 and a power factor of 0.7...
 31.31.44: A large electromagnetic coil is connected to a 120Hz ac source. Th...
 31.31.45: In an LRC series circuit, R = 300 , XC = 300 , and XL = 500 . The...
 31.31.46: At a frequency v1 the reactance of a certain capacitor equals that ...
 31.31.47: A HighPass Filter. One application of LRC series circuits is to ...
 31.31.48: A LowPass Filter. Figure P31.48 shows a lowpass filter (see 31.47...
 31.31.49: An LRC series circuit is connected to an ac source of constant vo...
 31.31.5: An LRC series circuit is connected to an ac source of constant vo...
 31.31.51: In an LRC series circuit the magnitude of the phase angle is 54.0...
 31.31.52: In an LRC series circuit, the phase angle is 40.0, with the sourc...
 31.31.53: An LRC series circuit has R = 500 , L = 2.00 H, C = 0.500 mF, and...
 31.31.54: The LRC Parallel Circuit. A resistor, an inductor, and a capacito...
 31.31.55: The impedance of an LRC parallel circuit was derived in 31.54. (a...
 31.31.56: A 400@ resistor and a 6.00@mF capacitor are connected in parallel t...
 31.31.57: An LRC series circuit consists of a 2.50@mF capacitor, a 5.00@mH ...
 31.31.58: An L@R@C series circuit has R = 60.0 , L = 0.800 H, and C = 3.00 * ...
 31.31.59: In an LRC series circuit, the source has a voltage amplitude of 1...
 31.31.6: In an L@R@C series ac circuit, the source has a voltage amplitude o...
 31.31.61: A resistance R, capacitance C, and inductance L are connected in se...
 31.31.62: The Resonance Width. Consider an LRC series circuit with a 1.80H...
 31.31.63: An LRC series circuit draws 220 W from a 120V (rms), 50.0Hz ac ...
 31.31.64: A coworker of yours was making measurements of a large solenoid tha...
 31.31.65: You are analyzing an ac circuit that contains a solenoid and a capa...
 31.31.66: You are given this table of data recorded for a circuit that has a ...
 31.31.67: In an LRC series circuit the current is given by i = I cosvt. The...
 31.31.68: (a) At what angular frequency is the voltage amplitude across the r...
 31.31.69: What is the dc impedance of the electrode, assuming that it behaves...
 31.31.7: If the electrode oscillates between two points 20 mm apart at a fre...
 31.31.71: The signal from the oscillating electrode is fed into an amplifier,...
 31.31.72: If the frequency at which the electrode is oscillated is increased ...
Solutions for Chapter 31: Alternating Current
Full solutions for University Physics with Modern Physics (1)  14th Edition
ISBN: 9780321973610
Solutions for Chapter 31: Alternating Current
Get Full SolutionsUniversity Physics with Modern Physics (1) was written by and is associated to the ISBN: 9780321973610. Chapter 31: Alternating Current includes 91 full stepbystep solutions. Since 91 problems in chapter 31: Alternating Current have been answered, more than 129256 students have viewed full stepbystep solutions from this chapter. This textbook survival guide was created for the textbook: University Physics with Modern Physics (1), edition: 14. This expansive textbook survival guide covers the following chapters and their solutions.

//
parallel

any symbol
average (indicated by a bar over a symbol—e.g., v¯ is average velocity)

°C
Celsius degree

°F
Fahrenheit degree