Problem 1CQ: Identical resistors are connected to separate 12 V AC sources. One source operates at 60 Hz, the... Problem 2CQ: Consider the three circuits in Figure Q26.2. Rank in order, from largest to smallest, the average... Problem 3CQ: Most battery-powered devices wont work if you put the battery in backward. But for a device that you... Problem 4CQ: If a lightbulb is connected to a 120 V, 60 Hz electric outlet, how many limes a second does the bulb... Problem 5CQ: A soldering gun contains a transformer that lowers the 120 V from an outlet to a few volts. Its... Problem 6CQ: A 12 V DC power supply is connected to the primary coil of a transformer. The primary coil has 100... Problem 7CQ: Figure Q26.7 shows three wires wrapped around an iron core. The figure shows the number of turns and... Problem 8CQ: Women usually have higher resistance of their arms and legs than men. Why might you expect to see... Problem 9CQ: If you work out enough to visibly increase the diameter of your biceps, will this increase or... Problem 13CQ: The peak current through a capacitor is 2.0 A. What is the peak current if a. The peak emf 0 is... Problem 14CQ: Consider the four circuits in Figure Q26.14. Rank in order, from largest to smallest, the capacitive... Problem 15CQ Problem 16CQ Problem 17CQ: Figure Q26.17 shows two inductors and the potential difference across them at time t = 0 s. a. Can... Problem 18CQ: The peak current passing through an inductor is 2.0 A. What is the peak current if a. The peak emf 0... Problem 19CQ: Consider the four circuits in Figure Q26.19. Rank in order, from largest to smallest, the inductive... Problem 20CQ: The tuning circuit in a radio uses an RLC circuit. Will adjusting the resistance have any effect on... Problem 21CQ: The resonance frequency of a driven RLC circuit is 1000 Hz. What is the resonance frequency if a.... Problem 22CQ: Consider the four circuits in Figure Q26.22. They all have the same resonance frequency f0 and are... Problem 23MCQ Problem 24MCQ: An inductor is connected to an AC generator. As the generators frequency is increased, the current... Problem 25MCQ: A capacitor is connected to an AC generator. As the generators frequency is increased, the current... Problem 26MCQ: An AC source is connected to a series combination of a lightbulb and a variable inductor. If the... Problem 27MCQ: An AC source is connected to a series combination of a lightbulb and a variable capacitor. If the... Problem 28MCQ: The circuit shown in Figure Q26.28 has a resonance frequency of 15 kHz. What is the value of L? A.... Problem 29MCQ: At resonance, a driven RLC circuit has VC = 5.0 V, VR = 8.0 V. and VL = 5.0 V. What is the peak... Problem 30MCQ: A driven RLC circuit has VC = 5.0V, VR = 7.0 V, and VL = 9.0 V. The driving frequency is A. Higher... Problem 1P: A 200 resistor is connected to an AC source with 0 = 10 V. What is the peak current through the... Problem 2P: Figure P26.2 shows voltage and current graphs for a resistor. a. What is the value of the resistance... Problem 3P: A resistor dissipates 2.00 W when the rms voltage of the emf is 10.0 V. At what rms voltage will the... Problem 4P: The heating element of a hair dryer dissipates 1500 W when connected to a 120 V outlet. What is the... Problem 5P: A toaster oven is rated at 1600 W for operation at 120 V, 60 Hz. a. What is the resistance of the... Problem 6P: A small electric space heater uses a wire that has a resistance of 24 . When it is connected to a... Problem 7P: A generator produces 40 MW of power and sends it to town at an rms voltage of 75 kV. What is the rms... Problem 8P: Soles of hoots that are designed to protect workers from electric shock are rated to pass a maximum... Problem 9P: The primary coil of a transformer is connected to a 120 V wall outlet. The secondary coil is... Problem 10P: A soldering iron uses an electric current in a wire to heat the tip. A transformer with 100 turns on... Problem 11P: A power pack charging a cell phone battery has an output of 0.40 A at 5.2 V (both rms). What is the... Problem 12P: A neon sign transformer has a 450 W AC output with an rms voltage of 15 kV when connected to a... Problem 13P Problem 14P: A science hobbyist has purchased a surplus transformer that converts 7.2 kV from neighborhood... Problem 15P: A generator produces 250 kW of electric power at 7.2 kV. The current is transmitted to a remote... Problem 16P: In an old house, the wires leading lo a 120 V outlet have a total resistance of 0.45 . When you plug... Problem 17P: A typical American family uses 1000 kWh of electricity a month. What is the average rms current in... Problem 18P: The wiring in the wall of your house to and from an outlet has a total resistance of typically 0.10... Problem 19P: The following appliances are connected to a single 120 V, 15 A circuit in a kitchen: a 330 W... Problem 20P: Your refrigerator uses 220 W when the compressor is running, and the compressor runs 30% of the... Problem 21P: A 60 W (120 V) night light is turned on for an average of 12 h a day year round. What is the annual... Problem 22P: Suppose you leave a 110 W television and two 100 W light- bulbs on in your house to scare off... Problem 23P: The manufacturer of an electric table saw claims that it has a 3.0 horsepower motor. 1 horsepower is... Problem 24P: John is changing a lightbulb in a lamp, Its a warm summer evening, and the resistance of his damp... Problem 25P: In some countries AC outlets near bathtubs are restricted to a maximum of 25 V to minimize the... Problem 26P: If you touch the terminal of a battery, the small area of contact means that the skin resistance... Problem 27P: A person standing barefoot on the ground 20 m from the point of a lightning strike experiences an... Problem 28P: Electrodes used to make electrical measurements of the body (such as those used when recording an... Problem 29P: A fisherman has netted a torpedo ray. As he picks it up, this electric fish creates a short-duration... Problem 30P: Problems 30 and 31 concern a high-voltage transmission line. Such lines are made of bare wire; they... Problem 31P: Problems 30 and 31 concern a high-voltage transmission line. Such lines are made of bare wire; they... Problem 32P: A 0.30 F capacitor is connected across an AC generator that produces a peak voltage of 10.0 V. What... Problem 33P: A 20 F capacitor is connected across an AC generator that produces a peak voltage of 6.0 V. The peak... Problem 34P: The peak current through a capacitor is 10.0 mA. What is the current if a. The emf frequency is... Problem 35P: A 20 nF capacitor is connected across an AC generator that produces a peak voltage of 5.0 V. a. At... Problem 36P: A capacitor is connected to a 15 kHz oscillator that produces an rms voltage of 6.0 V. The peak... Problem 37P: The peak current through a capacitor is 8.0 mA when connected to an AC source with a peak voltage of... Problem 38P Problem 39P: A 20 mH inductor is connected across an AC generator that produces a peak voltage of 10.0 V. What is... Problem 40P: The peak current through an inductor is 10.0 mA. What is the current if a. The emf frequency is... Problem 41P: A 500 H inductor is connected across an AC generator that produces a peak voltage of 5.0 V. a. At... Problem 42P: An inductor is connected to a 15 kHz oscillator that produces an rms voltage of 6.0 V. The peak... Problem 43P: The peak current through an inductor is 12.5 mA when connected to an AC source with a peak voltage... Problem 44P: A 2.0 mH inductor is connected in parallel with a variable capacitor. The capacitor can be varied... Problem 45P: An FM radio station broadcasts at a frequency of 100 MHz. What inductance should be paired with a 10... Problem 46P: The inductor in the RLC tuning circuit of an AM radio has a value of 350 mH. What should be the... Problem 47P: At what frequency f do a 1.0 F capacitor and a 1.0 H inductor have the same reactance? What is the... Problem 48P: What capacitor in series with a 100 resistor and a 20 mH inductor will give a resonance frequency... Problem 49P: What inductor in series with a 100 resistor and a 2.5 F capacitor will give a resonance frequency... Problem 50P: A series RLC circuit has a 200 kHz resonance frequency. What is the resonance frequency if the... Problem 51P: An RLC circuit with a 10 F capacitor is connected to a variable-frequency power supply with an rms... Problem 52P: A series KLC circuit consists of a 280 resistor, a 25 H inductor, and an 18 F capacitor. What is... Problem 53GP: Electric outlets in England are 230 V. Alice brings her electric kettle from England, where it draws... Problem 54GP: The voltage-to-current ratio in the primary coil of a transformer can be thought of as the... Problem 55GP: A 15-km-long, 230 kV aluminum transmission line delivers 34 MW to a city. If we assume a solid... Problem 56GP: The voltage across a 60 F capacitor is described by the equation vC = (18 V)cos(200t), where t is in... Problem 57GP Problem 58GP: An electronics hobbyist is building a radio set to receive the AM band, with frequencies from 520... Problem 59GP: For the circuit of Figure P26.59 a. What is the resonance frequency? b. At resonance, what is the... Problem 60GP: For the circuit of Figure P26.60 a. What is the resonance frequency? b. At resonance, what is the... Problem 61GP: An RLC circuit consists of a 48 resistor, a 200 F capacitor, and an inductor. The rms current is... Problem 62MSPP: Cell Membrane Resistance The capacitance of biological membranes is about 1.0 F per cm2 of membrane... Problem 63MSPP: Cell Membrane Resistance The capacitance of biological membranes is about 1.0 F per cm2 of membrane... Problem 64MSPP: Cell Membrane Resistance The capacitance of biological membranes is about 1.0 F per cm2 of membrane... Problem 65MSPP: Cell Membrane Resistance The capacitance of biological membranes is about 1.0 F per cm2 of membrane... Problem 66MSPP: Halogen Bulbs Halogen bulbs have some differences from standard incandescent lightbulbs. They are... Problem 67MSPP: Halogen Bulbs Halogen bulbs have some differences from standard incandescent lightbulbs. They are... Problem 68MSPP: Halogen Bulbs Halogen bulbs have some differences from standard incandescent lightbulbs. They are... Problem 69MSPP: Halogen Bulbs Halogen bulbs have some differences from standard incandescent lightbulbs. They are... format_list_bulleted