College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 19, Problem 9P
To determine
The diameter of a copper wire in order to have equal resistance of a aluminium wire with equal length and diameter
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
What diameter must a copper wire have if its resistance is to be the same as that of an equal length of aluminum wire with diameter 2.77 mm? Take the resistivity of copper and aluminum to be 1.72 x 10-8 Ωm and 2.75 x 10-8 Ωm respectively.
What diameter must a copper wire have if its resistance is to be the same as that of an equal length of aluminum wire with diameter 3.1 mm? Take the resistivity of copper and aluminum to be 1.72 x 10-8 Ωm and 2.75 x 10-8 Ωm respectively.
A certain wire has a resistance of 140 Ω. What is the resistance of a second wire, made of the same material, that is 1/4 as long and has 1/4 the diameter?
Chapter 19 Solutions
College Physics (10th Edition)
Ch. 19 - You create a circuit with three resistors and a...Ch. 19 - The energy that can be extracted from a storage...Ch. 19 - A cylindrical rod has resistivity p. If we triple...Ch. 19 - True or false? (a) Adding more resistance to a...Ch. 19 - Why does the resistance of an object increase with...Ch. 19 - How does a capacitor store energy? Can a resistor...Ch. 19 - High-voltage power supplies are sometimes designed...Ch. 19 - If you charge a capacitor through an R-C circuit,...Ch. 19 - Can all combinations of resistors be reduced to...Ch. 19 - In a two-cell flashlight, the batteries are...
Ch. 19 - You connect a number of identical light bulbs to a...Ch. 19 - When you scuff your shoes across a nylon carpet,...Ch. 19 - A cylindrical metal rod has a resistance R. If...Ch. 19 - A resistor R and another resistor 2R are connected...Ch. 19 - Which statements about the circuit shown in Figure...Ch. 19 - When the switch in Figure 19.40 is closed, the...Ch. 19 - Three identical light bulbs are connected in the...Ch. 19 - You connect three resistors with resistances R,...Ch. 19 - In the circuit shown in Figure 19.42, resistor A...Ch. 19 - In which of the two circuits shown in Figure 19.43...Ch. 19 - The battery shown in the circuit in Figure 19.44...Ch. 19 - A battery with no internal resistance is connected...Ch. 19 - The battery shown in the circuit in Figure 19.46...Ch. 19 - Three identical light bulbs. A, B, and C, are...Ch. 19 - A 5.0 A current flows through the leads of an...Ch. 19 - Lightning strikes. During lightning strikes from a...Ch. 19 - Transmission of nerve impulses. Nerve cells...Ch. 19 - In an ionic solution, a current consists of Ca2+...Ch. 19 - A 14 gauge copper wire of diameter 1.628 mm...Ch. 19 - You want to precut a set of 1.00 strips of 14...Ch. 19 - Prob. 7PCh. 19 - A tightly coiled spring having 75 coils, each 3.50...Ch. 19 - Prob. 9PCh. 19 - Prob. 10PCh. 19 - A steel wire of length L and radius r1 has a...Ch. 19 - Prob. 12PCh. 19 - Prob. 13PCh. 19 - A 1.50 m cylindrical rod of diameter 0.500 cm is...Ch. 19 - Prob. 15PCh. 19 - In a laboratory experiment, you vary the current...Ch. 19 - The following measurements of current and...Ch. 19 - Prob. 18PCh. 19 - Current in the body. The resistance of the body...Ch. 19 - A copper transmission cable 100 km long and 10.0...Ch. 19 - Prob. 21PCh. 19 - A steel wire, of length L and diameter D, has a...Ch. 19 - A 6.00 V lantern battery is connected to a 10.5 ...Ch. 19 - When the switch in Figure 19.49 is open, the...Ch. 19 - A non-ideal 10.0 V battery is connected across a...Ch. 19 - Prob. 26PCh. 19 - An automobile starter motor is connected to a 12.0...Ch. 19 - Consider the circuit shown in Figure 19.50. The...Ch. 19 - Prob. 29PCh. 19 - Power rating of a resistor. The power rating of a...Ch. 19 - An idealized voltmeter is connected across the...Ch. 19 - Treatment of heart failure. A heart defibrillator...Ch. 19 - Light bulbs. The wattage rating of a light bulb is...Ch. 19 - Electrical safety. This procedure is not...Ch. 19 - Electric eels. Electric eels generate electric...Ch. 19 - A 500 and a 200 resistor are connected in series...Ch. 19 - The battery for a certain cell phone is rated at...Ch. 19 - For the circuit in Figure 19.51, find (a) the rate...Ch. 19 - A 240 W electric heater is designed to operate...Ch. 19 - Find the equivalent resistance of each combination...Ch. 19 - Calculate the (a) maximum and (b) minimum values...Ch. 19 - Each of two identical uniform metal bars has a...Ch. 19 - A 40.0 resistor and a 90.0 resistor are...Ch. 19 - Three resistors having resistances of 1.60 , 2.40...Ch. 19 - Now the three resistors of the previous problem...Ch. 19 - Compote the equivalent resistance of the network...Ch. 19 - Compute me equivalent resistance of me network in...Ch. 19 - Light bulbs in aeries. I he power rating or o...Ch. 19 - Prob. 49PCh. 19 - The batteries shown in the circuit in Figure 19.50...Ch. 19 - Find the emfs 1 and 2 in the circuit shown in...Ch. 19 - For the circuit shown in Figure 19.58, calculate...Ch. 19 - In the circuit shown in Figure 19.59, find (a) the...Ch. 19 - In the circuit shown in Figure 19.60, current...Ch. 19 - In the circuit shown in Figure 19.61, the 6.0 ...Ch. 19 - A 500.0 resistor is connected in series with a...Ch. 19 - A fully charged 6.0 F capacitor is connected in...Ch. 19 - A 12.4 F capacitor is connected through a 0.895 M...Ch. 19 - A 6.00 F capacitor that is initially uncharged is...Ch. 19 - A capacitor is charged to a potential of 12.0 V...Ch. 19 - A 1.0 F capacitor is being charged by a 9.0 V...Ch. 19 - In the circuit shown in Figure 19.62. the...Ch. 19 - Charging and discharging a capacitor. A 1.50 F...Ch. 19 - Graphing the charge on a capacitor as a function...Ch. 19 - The circuit shown in Figure 19.63 contains two...Ch. 19 - If an ohmmeter is connected between points a and b...Ch. 19 - A refrigerator draws 3.5 A of current while...Ch. 19 - A toaster using a NichromeTM heating element...Ch. 19 - A piece of wire has a resistance R. It is cut into...Ch. 19 - Flashlight batteries. A typical small flashlight...Ch. 19 - In the circuit of Figure 19.65. find (a) the...Ch. 19 - Struck by lightning. Lightning strikes can involve...Ch. 19 - Each of the three resistors m Figure 19.66 has a...Ch. 19 - Energy use of homo appliances. An 1800 W toaster,...Ch. 19 - Two identical 1.00 wires are lad side by side aid...Ch. 19 - Three identical resistors are connected in series....Ch. 19 - (a) Calculate the equivalent resistance of the...Ch. 19 - A power plant transmits 150 kW of power to a...Ch. 19 - What must the emf in Figure 19.69e be in order...Ch. 19 - For the circuit shown in Figuro 19.70. if a...Ch. 19 - A 4600 resistor is connected across a charged...Ch. 19 - A capacitor that is initially uncharged is...Ch. 19 - In the circuit shown in Figure 10.71. R it a...Ch. 19 - Spiderweb conductivity. Some types of spiders...Ch. 19 - If the conductivity of the thread results from the...Ch. 19 - Prob. 86PPCh. 19 - In another experiment, a piece of the web is...Ch. 19 - Nerve cells and R - C circuits. The portion of a...Ch. 19 - In a simple model of an axon conducting a nerve...Ch. 19 - Nerve cells and R-C circuits. The portion of a...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A 10.00-meter long wire cable that is made of copper has a resistance of 0.051 ohms, (a) What is the weight if the wire was made of copper? (b) What is the weight of a 10.00-meter-long wire of the same gauge made of aluminum? (c)What is the resistance of the aluminum wire? The density of copper is 8960 kg/m3 and the density of aluminum is 2760 kg/m3.arrow_forwardExplain why R=R0(1 + a?T) for the temperature variation of the resistance R of an object is not as accurate as P=P0(1 + a?T) which gives the temperature variation of resistivity P.arrow_forwardAn iron wire has a diameter 3.65 mm and resistivity 9.71x 10-8 Ωm. What will be the length of this wire to make a resistance of 10Ω. What will be the new resistance, if the radius is doubled? (a) Length of the wire (in m) = (b) Resistance of the wire (in )Ω =arrow_forward
- An electrician wishes to cut a copper wire (ρ=1.72×10-8 Ωm) that has 10Ω of resistance. The wire has a radius of 0.625mm. Approximately what length of wire has a resistance equal to the maximum 10Ω ? The length of the copper wire having a resistance of 10Ω is =arrow_forwardAn extension cord has a resistivity of p = 7.5 x 10-8 Ω.m. The cord is made from copper wire with a diameter D = 0.45 cm and it is L = 9.9 m long. (a) What is the resistance in ohms? R = (b) If a current of I= 2.95 A passes through the wire what voltage is the cord connected to, in volts? V=arrow_forwardAn aluminum rod with a square cross section is 2.2 m long and 6.2 mm on edge. (a) What is the resistance between its ends? (b) What must be the diameter of a cylindrical copper rod of length 2.2 m if its resistance is to be the same as that of the aluminum rod? The resistivity of aluminum is 2.75 x 108 Q-m and the resistivity of copper is 1.69 × 10-8 Q-m. (a) Number Units (b) Number i Unitsarrow_forward
- A length of copper wire has a resistance 24 Ω. The wire is cut into three pieces of equal length, which are then connected as parallel lengths between points A and B. What resistance will this new “wire” of length L0 3 have between points A and B? Answer in units of Ω.arrow_forwardThe heating element of a toaster is a 5.4 m length of nichrome wire of diameter 0.48 mm. The resistivity of nichrome at the operating temperature of the toaster is 1.3 × 10^-6 Ω ∙ m. The toaster is designed to operate at a voltage of 120 V. How much power does it draw in normal operation? Hint: Use the expression for power without the current in it after determining the resistance.arrow_forwardResistance depends on the size and shape of a conductor. We expect a long wire to have higher resistance than a short one (everything else being the same) and a thicker wire to have a lower resistance than a thin one. Resistance also depends on the intrinsic property of the conductor called the resistivity. If the resistivity of a particular wire is 70.26x10-8 Ω ⋅ m, the wire is 44.47mm in length, and the radius of the diameter of the wire is 1.95m, what is the resistance of the wire in units of Ohms (Ω)?arrow_forward
- What is the resistance of a wire with a length of 43.4 m and a radius of 2.8 mm, made from a metal with resistivity 6.0 x 10-8 ohm*m? Three significant figures.arrow_forwardA copper wire has a diameter 0.9 mm and resistivity 1.6 x 10-8 Qm. What will be the length of this wire to make a resistance of 150. What will be the new resistance, if the radius is doubled? (a) Length of the wire (in m) = (b) Resistance of the wire (in n =arrow_forwardThe wire in a water heater is an alloy composed of nickel, chromium, and copper and has a resistivity of 9.60×10-7 Ω-m. Determine the resistance of the wire if its length is 8.81 m and its diameter is 0.0012 m.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax CollegePhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning