FUNDAMENTALS OF PHYSICS - EXTENDED
12th Edition
ISBN: 9781119773511
Author: Halliday
Publisher: WILEY
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Chapter 26, Problem 17P
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Chapter 26 Solutions
FUNDAMENTALS OF PHYSICS - EXTENDED
Ch. 26 - The following table give the lengths of three...Ch. 26 - Three wires, of the same diameter, are connected...Ch. 26 - During the 4.0 min a 5.0 A current is set up in a...Ch. 26 - An isolated conducting sphere has a 10 cm radius....Ch. 26 - A charged belt, 50 cm wide, travels at 30 m/s...Ch. 26 - The United States National Electric Code, which...Ch. 26 - SSM WWW A beam contains 2.0 108 doubly charged...Ch. 26 - A fuse in an electric circuit is a wire that is...Ch. 26 - Prob. 8PCh. 26 - The magnitude Jr of the current density in a...
Ch. 26 - The magnitude J of the current density in a...Ch. 26 - What is the current in a wire of radius R = 3.40...Ch. 26 - Near Earth, the density of protons in the solar...Ch. 26 - Prob. 13PCh. 26 - A human being can be electrocuted if a current as...Ch. 26 - SSM A coil is formed by winding 250 turns of...Ch. 26 - Copper and aluminium are being considered for a...Ch. 26 - Prob. 17PCh. 26 - SSM What is the resistivity of a wire of 1.0 mm...Ch. 26 - Prob. 20PCh. 26 - ILW A common flashlight bulb is rated at 0.30 A...Ch. 26 - Kiting during a storm. The legend that Benjamin...Ch. 26 - Prob. 23PCh. 26 - SSM ILW A wire with a resistance of 6.0 is drawn...Ch. 26 - SSM WWW Two conductors are made of the same...Ch. 26 - Prob. 29PCh. 26 - Prob. 30PCh. 26 - Prob. 31PCh. 26 - Prob. 33PCh. 26 - A certain brand of hot-dog cooker works by...Ch. 26 - Thermal energy is produced in a resistor at a rate...Ch. 26 - SSM A 1220 V potential difference is applied to a...Ch. 26 - ILW An unknown resistor is connected between the...Ch. 26 - A student kept his 6.0 V, 7.0 W radio turned on at...Ch. 26 - SSM ILW A 1250 W radiant heater is constructed to...Ch. 26 - A copper wire of cross-sectional area 2.00 106 m2...Ch. 26 - A heating element is made by maintaining a...Ch. 26 - Exploding shoes. The rain-soaked shoes of a person...Ch. 26 - A 100 W lightbulb is plugged into a standard 120 V...Ch. 26 - GO The current-density magnitude in a certain...Ch. 26 - A 120 V potential difference is applied to a space...Ch. 26 - SSM A Nichrome heater dissipates 500 W when the...Ch. 26 - Prob. 56PCh. 26 - An 18.0 W device has 9.00 V across it. How much...Ch. 26 - An aluminum rod with a square cross section is 1.3...Ch. 26 - A cylindrical metal rod is 1.60 m long and 5.50 mm...Ch. 26 - The chocolate crumb mystery. This story begins...Ch. 26 - SSM A steady beam of alpha particles q = 2e...Ch. 26 - A resistor with a potential difference of 200 V...Ch. 26 - A 2.0 kW heater element from a dryer has a length...Ch. 26 - cylindrical resistor of radius 5.0 mm and length...Ch. 26 - A potential difference V is applied to a wire of...Ch. 26 - The headlights of a moving car require about 10 A...Ch. 26 - A 500 W heating unit is designed to operate with...Ch. 26 - How much electrical energy is transferred to...Ch. 26 - A caterpillar of length 4.0 cm crawls in the...Ch. 26 - A steel trolley-car rail has a cross-sectional...Ch. 26 - A coil of current-carrying Nichrome wire is...Ch. 26 - Prob. 74PCh. 26 - A certain x-ray tube operates at a current of 7.00...Ch. 26 - A current is established in a gas discharge tube...
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- An aluminum wire 1.628 mm in diameter (14-gauge) carries a current of 3.00 amps, (a) What is the absolute value of the charge density in the wire? (b) What is the drift velocity of the electrons? (c) What would be the drift velocity if the same gauge copper were used instead of aluminum? The density of copper is 8.96 g/cm3 and thedensity of aluminum is 2.70 g/cm3. The molar mass ofaluminum is 26.98 g/mol and the molar mass of copper is 63.5 g/mol. Assume each atom of metal contributes one free electron.arrow_forwardIf the current carried by a conductor is doubled, what happens to (a) the charge carrier density, (b) the current density, (c) the electron drift velocity, and (d) the average time interval between collisions?arrow_forwardA 0.900-V potential difference is maintained across a 1.50-m length of tungsten wire that has a cross-sectional area of 0.600 mm2. What is the current in the wire?arrow_forward
- What current flows through a 2.54-cm-diameter rod of Pure silicon that is 20.0 cm long, when 1.00103 V is applied to it? (Such a rod may be used to make nuclear- particle detectors, for example.)arrow_forwardA wire is 0.86 m long and 1.1 mm2 in cross-sectional area. It carries a current of 4.0 A when a 1.6 V potential difference is applied between its ends. Calculate the conductivity σ of the material of which this wire is made.arrow_forwardA copper wire of radius a = 0.273 mm has an aluminum jacket of outer radius b = 0.399 mm. There is a current i = 2.82 A in the composite wire. Take the resistivity for copper and aluminum to be 1.69 × 10-80-m and 2.75 × 10-8Q-m. Calculate the current in (a) the copper and (b) the aluminum. (c) If a potential difference V = 17.0 V between the ends maintains the current, what is the length in meters of the composite wire?arrow_forward
- A tungsten wire has a radius of 0.093 mm and is heated from 20.0 to 1322 °C. The temperature coefficient of resistivity is a = 4.5 x 10 3 (Cº)-¹. When 110 V is applied across the ends of the hot wire, a current of 2.3 A is produced. How long is the wire? Neglect any effects due to thermal expansion of the wire. Number i 4.408939318 Units marrow_forwardA tungsten wire has a radius of 0.068 mm and is heated from 20.0 to 1326 oC. The temperature coefficient of resistivity is α = 4.5 × 10-3 (Co)-1. When 110 V is applied across the ends of the hot wire, a current of 2.1 A is produced. How long is the wire? Neglect any effects due to thermal expansion of the wire.arrow_forwardA conductor has a cross-sectional area of 2.3x 10P m and the number of free electrons per unit volume is 8.5x 1028 electron/m³. When the current is 6.1 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6x1019 C. Select one: OA 0.26 OB. 25.60 OC.0.13 OD. 19.50 OE 0.20arrow_forward
- A copper wire of radius a = 0.172 mm has an aluminum jacket of outer radius b = 0.231 mm. There is a current i = 1.58 A in the composite wire. Take the resistivity for copper and aluminum to be 1.69 × 10*Q-m and 2.75 × 10-°2-m. Calculate the current in (a) the copper and (b) the aluminum. (c) If a potential difference V = 10.4 V between the ends maintains the current, what is the length in meters of the composite wire? (a) Number i Units (b) Number i Units (c) Number i Unitsarrow_forwardA copper wire of radius a = 0.161 mm has an aluminum jacket of outer radius b = 0.224 mm. There is a current i = 2.80 A in the composite wire. Take the resistivity for copper and aluminum to be 1.69 x 10Q-m and 2.75 x 10 Q-m. Calculate the current in (a) the copper and (b) the aluminum. (c) If a potential difference V = 17.3 V between the ends maintains the current, what is the length in meters of the composite wire? (a) Number Units (b) Number Units (c) Number Unitsarrow_forwardA 1.00-mm-radius, cylindrical copper wire carries a current of 8.00 A. If each copper atom in the wire contributes one free conduction electron to the current, what is the drift velocity of the electrons in the wire? Some useful information: MCu= 63.546 g/mole, ρCu = 8.96 g/cm3, and NA = 6.02 x 1023 mole-1. a. 0.187 mm/s b. 0.510 mm/s c. 0.304 mm/s d. 0.0923 mm/s e. 0.733 mm/sarrow_forward
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