College Physics

11th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305952300

College Physics

11th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305952300


Chapter 17, Problem 4CQ
Textbook Problem

In an analogy between traffic flow and electrical current, (a) what would correspond to the charge Q? (b) What would correspond to the current I?

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Chapter 17 Solutions

College Physics
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Ch. 17 - We have seen that an electric field must exist...Ch. 17 - A 12-V battery is connected across a device with...Ch. 17 - Choose the words that make each statement correct....Ch. 17 - In an analogy between traffic flow and electrical...Ch. 17 - Two copper wires A and B have the same length and...Ch. 17 - Two lightbulbs are each connected to a voltage of...Ch. 17 - Newspaper articles often have statements such as...Ch. 17 - There is an old admonition given to experimenters...Ch. 17 - What could happen to the drift velocity of the...Ch. 17 - Power P0 = I0 V0 is delivered to a resistor of...Ch. 17 - When is more power delivered to a lightbulb,...Ch. 17 - If a current of 80.0 mA exists in a metal wire,...Ch. 17 - A copper wire has a circular cross section with a...Ch. 17 - In the Bohr model of the hydrogen atom, an...Ch. 17 - A typical lightning bolt may last for 0.200 s and...Ch. 17 - A certain laboratory experiment requires an...Ch. 17 - If 3.25 103 kg of gold is deposited on the...Ch. 17 - A 2.0 102-km-long high-voltage transmission line...Ch. 17 - An aluminum wire having a cross-sectional area of...Ch. 17 - An iron wire has a cross-sectional area of 5.00 ...Ch. 17 - An electric heater carries a current of 13.5 A...Ch. 17 - A voltmeter connected across the terminals of a...Ch. 17 - Germanium is a semiconducting metal with a...Ch. 17 - A person notices a mild shock if the current along...Ch. 17 - Suppose you wish to fabricate a uniform wire out...Ch. 17 - Nichrome wire of cross-sectional radius 0.791 mm...Ch. 17 - A wire of diameter 0.800 mm and length 25.0 m has...Ch. 17 - A potential difference of 12 V is found to produce...Ch. 17 - The current supplied by a battery in a portable...Ch. 17 - A wire 50.0 m long and 2.00 mm in diameter is...Ch. 17 - A rectangular block of copper has sides of length...Ch. 17 - The resistivity of copper is 1.70 108 m. (a)...Ch. 17 - The human body can exhibit a wide range of...Ch. 17 - Starting from Ohms law, show that E = J, where E...Ch. 17 - If a certain silver wire has a resistance of 6.00 ...Ch. 17 - Digital thermometers often make use of...Ch. 17 - A length of aluminum wire has a resistance of 30.0...Ch. 17 - Gold is the most ductile of all metals. For...Ch. 17 - At what temperature will aluminum have a...Ch. 17 - At 20.0C, the carbon resistor in an electric...Ch. 17 - A wire 3.00 m long and 0.450 mm2 in...Ch. 17 - (a) A 34.5 -m length of copper wire at 20.0C has a...Ch. 17 - An engineer needs a resistor with a zero overall...Ch. 17 - In one form of plethysmograph (a device for...Ch. 17 - A platinum resistance thermometer has resistances...Ch. 17 - A 5.00-V power supply provides a maximum current...Ch. 17 - If electrical energy costs 0.12 per kilowatt-hour,...Ch. 17 - Residential building codes typically require the...Ch. 17 - A portable coffee heater supplies a potential...Ch. 17 - The heating element of a coffeemaker operates at...Ch. 17 - A typical cell phone consumes an average of about...Ch. 17 - Lightbulb A is marked 25.0 W 120. V, and lightbulb...Ch. 17 - A certain toaster has a heating element made of...Ch. 17 - A copper cable is designed to carry a current of...Ch. 17 - Batteries are rated in terms of ampere-hours (A ...Ch. 17 - The potential difference across a resting neuron...Ch. 17 - The cost of electricity varies widely throughout...Ch. 17 - An electric utility company supplies a customers...Ch. 17 - An office worker uses an immersion heater to warm...Ch. 17 - Two wires A and B made of the same material and...Ch. 17 - A tungsten wire in a vacuum has length 15.0 cm and...Ch. 17 - If a battery is rated at 60.0 A h, how much total...Ch. 17 - A car owner forgets to turn off the headlights of...Ch. 17 - Consider an aluminum wire of diameter 0.600 mm and...Ch. 17 - A given copper wire has a resistance of 5.00 at...Ch. 17 - A particular wire has a resistivity of 3.0 108 ...Ch. 17 - Birds resting on high-voltage power lines are a...Ch. 17 - A 50.0-g sample of a conducting material is all...Ch. 17 - You are cooking breakfast for yourself and a...Ch. 17 - The current in a conductor varies in time as shown...Ch. 17 - A 120.-V motor has mechanical power output of 2.50...Ch. 17 - A Nichrome heating element in an oven has a...Ch. 17 - A length of metal wire has a radius of 5.00 103 m...Ch. 17 - In a certain stereo system, each speaker has a...Ch. 17 - A resistor is constructed by forming a material of...Ch. 17 - When a straight wire is heated, its resistance...Ch. 17 - An x-ray tube used for cancer therapy operates at...Ch. 17 - A man wishes to vacuum his car with a canister...

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