Answered: By what factor is the diameter of its…

By what factor is the diameter of its filament reduced, assuming uniform thinning along its length? Neglect any effects caused by temperature differences. d/do=

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 57PE: An old lightbulb draws only 50.0 W, rather than its original 60.0 W, due to evaporative thinning of...

See similar textbooks

Related questions

Q: 17 kg uniform store sign is held from a uniform horizontal beam as shown. There is a cable attached…

A: A uniform store sign is held from a uniform horizontal beam. Mass of store sign M=17 kg The sign is…

Q: What is the force applied on a body with 5 kg of mass and an acceleration of 7 m/s2? A. ON B. 7 N C.…

A: Newton's second law of motion, also known as the law of acceleration, describes the relationship…

Q: kg plastic rod of lengt 1.20 m table. attached to the table, and the rod is free to pivot about this…

A: given that , mass of plastic M = 2 kg ,length r = 1.20 m,disk mass m = 30 g = 0.03 kg ,initial…

Q: A solid, uniform plank is held with two supports each providing a normal force at the ends. The…

Q: A bomb at rest explodes, breaking into three equal mass pieces. The first piece fly off with speed…

A: After explosion bomb breaks into three pieces of equal masses.Velocity of first piece is in…

Q: IP A parallel-plate capacitor filled with air has plates of area 6.6×10-3 m² and a separation of…

Q: You have a wave with a measured speed of 41 m/s, and a measured period of 1.44 s. What is the…

A: This problem can be solved using basic formula speed of the wave

Q: Determine the force of gravity keeping the Earth in its orbit around the sun.

Q: I Express the circumference of the circle in terms of its radius, r. Express the time interval, T,…

Q: An ice chest at a beach party contains 12 cans of soda at 2.17 °C. Each can of soda has a mass of…

Q: Figure 1.25 m/ +2.75 με +7.45 μC 1.25 m 1.25 m -1.72 μC Suppose the three charges shown in the…

Q: A gas undergoes an expansion process in which its volume increases from 1.5 m³ to 4.5 m³ at a…

A: We have a gas that expands at a constant pressure, which is known as isobaric process.Initial volume…

Q: Parallel wires that are a distance, d = 20 cm, apart carry different amounts of current in opposite…

A: Top wire carries current, I1 = 50 A, to the rightBottom one, I2 = 10 A, flows left.Distance between…

Q: A block of mass 4.0 kg slides from rest down on a 20° inclination angle and friction coefficient…

Q: (b) An airplane travels along a straight runway with an acceleration shown in Figure Q.3(b). The…

Q: Two satellites are in circular orbits around Jupiter. One, with orbital radius r, makes one…

Q: 4. An insulating semicircular arc of radius R consists of two quarters. One quarter has a total…

Q: Use the right-hand rule for the motor principle to determine the force on each of the following…

Q: A particular household uses a 1.9 kW heater 1.8 h/day ("on" time), four 100 W lightbulbs 6.0 h/day,…

A: Heater power= 1.9 kw= 1900 wTime = 1.8 h/d4 Bulbs power= 4*100= 400 wTime =6 h/dElectric stove…

Q: Two objects, both with a mass of 1.54 kg are sliding across a horizontal, frictionless surface…

A: Given:The mass of both two object , m= 1.54 kg.The initial velocity of the Mass 1, u1= .The initial…

Q: You are designing a symmetric double convex lens that is made of glass with index of refraction…

Q: What is the magnitude of the force (in Newtons) which acts between a +1.50 μC particle and a +5.40…

Q: Zorch, an archenemy of Superman, decides to slow Earth's rotation to once per 29.5 h by exerting a…

A: See below

Q: When a charged balloon sticks to a wall, the downward gravitational force balanced by an upward…

A: Mass of balloon m=1.2 g = 1.2×10-3 kg Coefficient of static friction us= 0.72 The average distance…

Q: A 60-W incandescent light bull costs $0.41. An equivalent 18-W compact fluorescent (CFL) bulb costs…

Q: A capacitor is discharged through a 80.0 resistor. The discharge current decreases to 23.0% of its…

A: R = 80 ohms Current reduced to 23% of it's initial current after 2.60 ms

Q: A 1000 kg car is driving around a banked, circular track (if you are unsure of what a banked turn…

Q: (1 R

A: Masses of dumbbell are : m1 and m2 Angular velocity, w remains constant.

Q: Suppose you have a V = 10.0 V battery connected to three resistors as shown in the diagram below. •…

Q: frequency of A stationary musician plays a flute that emits sound with a fu 262 Hz (this frequency…

A: To calculate the length of the flute, we can use the formula for the fundamental frequency of a tube…

Q: Discharging Capacitor: Kirchoff's loop rule applied to the discharging capacitor circuit gives 2- C…

A: The time constant of an RC circuit is the product of the resistance R and capacitance C,…

Q: Problem 11: Consider a loop with 50 square turns that is 14 cm on a side and is in a uniform 0.65 T…

A: Torque, τ = 9 N.mTurns, n = 50Side, a = 14 cm = 0.14 mField, B = 0.65 T

Q: Determine the minimum height of a vertical flat mirror in which a person 172 cm tall can see his or…

A: Height of person, h=172 cm

Q: A person's center of mass is easily found by having the person lie on a reaction board. A…

Q: In the circuit below, it is known that C1 = 10μF and the other three capacitors have the same…

Q: Learning Goal: Calorimetry: Three Substances The ceramic coffee cup in the figure with m = 118 g and…

A: The ceramic coffee cup m=118 g specific heat c=1090 J/kg.K Initial temperature Ti=24.0°C The…

Q: How much heat in joules must be added to 0.769 kg of aluminum to change it from a solid at 150 °C to…

A: The total heat required will be used for two purposes. Initially, a part of the energy is used to…

Q: A proton moves at a speed 1.1 × 107 m/s perpendicular to a magnetic field. The field provokes the…

Q: The cable lifting an elevator is wrapped around a 1.1-m-diameter cylinder that is turned by the…

Q: 19. Determine the coordinates of the centroid of the shaded area. b b y = kx² x

Q: The figure shows an object and its image formed by a thin lens. Assume that d1 = 0.594 m, d2 = 0.317…

A: NOTE: All distances to the left of the lens are taken as negative and all distances to the right as…

Q: Problem 2 A man is standing on the platform of a merry-go-round, not holding on to anything. The…

A: Time period of merry go round, T=10s From part (a), (b),(c) Angular velocity=0.628 rad/s Centripetal…

Q: A high-pressure gas cylinder contains 70.0 L of toxic gas at a pressure of 2.10 x 107 N/m2 and a…

Q: #3: A gate in an irrigation canal is constructed in the form of a trapezoid m wide at the bottom, 46…

Q: A spherical, concave shaving mirror has a radius of curvature of 0.934 m. What is the image distance…

A: A spherical concave shaving mirror has a radius of curvature of R=0.934 m. The distance of a…

Q: Where did the values for (T - 20 C) come from?

Q: A glass cover is placed over a water drop on a glass slide. When this is done, orange light (A= 605…

Q: A parallel-plate capacitor has plates with an area of 420 cm² and an air-filled gap between the…

Q: hat constant acceleration is required to increase the speed of a car from 20 mi/h to 45 mi/h in 5 s?…

A: The initial speed of a car, u = 20 mi/hThe final speed of a car,…

Q: A battery-operated car utilizes a 12.0 V system. Find the charge the batteries must be able to move,…

Question

100%

An old light bulb draws only 42.5 W, rather than its original 60.0 W, due to evaporative thinning of its filament.
By what factor is the diameter of its filament reduced, assuming uniform thinning along its length? Neglect any effects caused by temperature differences.
d/do

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Introduce the theory

VIEW

Step 2: Deduce the relation between resistance R and diameter d

VIEW

Step 3: Deduce the relation between power P and resistance R

VIEW

Step 4: Calculate the ratio of diameters

VIEW

Solution

VIEW

Step by step

Solved in 5 steps with 4 images

SEE SOLUTION Check out a sample Q&A here

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) What is the average power output of a heart defibrillator that dissipates 400 J of energy in 10.0 ms? (b) Considering the high-power output, why doesn’t the defibrillator produce serious bums?
-gauge copper wire has a diameter of 9.266 mm. Calculate the power loss in a kilometer of such wire when it carries 1.00102 A.
B. 11 A. -11 c. D. necessary. A. 16 ohms B. 1405 ohms D. 102 ohms C. 27 ohms answer. (Example: x + 1 = 0 →x = -1) oup of high school students are volunteēring for Habitat for Humanity during their summer break. They are can paint the same room in 6 hours. How many hours will it take them to paint the room? If necessary, round your answer to the nearest tenth. A. 4.1 hours B. 3.2 hours C. 2.6 hours D. 4.9 hours Ehow your solution here:
A silver wire is 6.9 m long and 0.79 mm in diameter. What is itsresistance?
Household wiring often uses 2.00 mm diameter copper wires. The wires can get rather long as they snake through the walls from the fuse box to the farthest corners of your house.
8 T. E A hollow cylindrical pipe is made from material 1 listed in the table below. The pipe is 3.5 m long, has an outside diameter of 3.7 cm, and an inside diameter of 2.5 cm. Calculate the pipe's weight in Ibs. (1 lb = 4.4482 N) Density Material (kg/m³) 1 Copper 8.9 x 103 2 Iron 7.8 x 103 3 Lead 11.3x 103 rch 直。 SNSV f5 f8 f12 64 OL 图 E3 因/0 24 4 3. 5. 9. 7. F H. K.
18.a. In a triad ground rod arrangement, the distance between the rods should be how many times greaterthan the depth of the rod that's the same size?A. TwoB. ThreeC. FourD. Five18.b. Which of the following is an installation requirement for the grounding electrode conductor in acommunications system?A. It must be run as straight as practicable.B. It must be, at minimum, 4 AWG.C. It must be solid or stranded aluminum.D. It must be isolated and covered.
15: Suppose a heart defibrillator dissipates 410 J of energy in 12 ms. What is the average power output of the defibrillator, in W?
1. Given a cylindrical conductor of radius 1.50 mm with current density 2.50A/m^2 and free-electron density of 8.00×10^ 28 m^−3 What is the drift speed? 2. A parallel plate capacitor is connected to an ideal battery with voltage V. While the battery is still connected, a slab with dielectric constant κ is inserted between the plates. Which of the following is TRUE regarding the electric field E and the stored energy U?
全l。 A docs.google.com A metal object having a length (10m), cross section area (0.5 mm²), and resistance (0.5N) is connected to a potential difference source of 5V at room temperature. If the density of free electrons equals (8x1025 electron/m³), Calculate the drift velocity. 1.56m/s 1.13m/s 1.43m/s 1.62m/s 1.75m/s 0.56m/s 1.33m/s 2 points Calculate the capacitance for a p-n junction when a reverse bias with 3V is applied at T=350K. Assume that NA=1×1020/m³, Np=1×1018, n¡ = 1×1015/m³, &= 11.7, and the cross section area is lum. 1.521pF 1.212pF 1.512pF 1.203pF 1.432pF 1.182pF 1.441DF
The following table gives the lengths of three copper rods, their diameters, and the potential differences between their ends. Rod Length Diameter Potential Difference 3d V. 2L d 2V 3L 2d 2V In the following questions, you will be asked to rank these rods. If multiple rods rank equally, use the same rank for each, then exclude the intermediate ranking (i.e. if objects A, B, and C must be ranked, and A and B must both be ranked fırst, the ranking would be A:Greatest, B:Greatest, C:Third greatest). If all rods rank equally, rank each as 'Greatest!. Rank the rods according to the magnitude of the electric field within them. Rod 1 Rod 2 Rod 3 123
An old lightbulb draws only 50.0 W, rather than its original 60.0 W, due to evaporative thinning of its filament. By what factor is its diameter reduced, assuming uniform thinning along its length? Neglect any effects caused by temperature differences.