University Physics Volume 2
18th Edition
ISBN: 9781938168161
Author: OpenStax
Publisher: OpenStax
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 10, Problem 66P
A short circuit in a 120-V appliance cord has a0.500-
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A short circuit in a 120-V appliance cord has a 0.500- Ω resistance. Calculate the temperature rise of the 2.00 g of surrounding materials, assuming their specific heat capacity is 0.200 cal/g⋅ºC and that it takes 0.0500 s for a circuitbreaker to interrupt the current. Is this likely to be damaging?
A water heater coil made of Nichrome wire of conductivity o=6.7×10 2-'m¯ dissipates a power of 800 W when connected to a
direct current power supply of 120 V. The wire has a cross-sectional area of 16.0x10-/ m². Find the length (in m) of the wire.
A short circuit in a 120 V appliance cord has a 0.35 Ω resistance.
Calculate the temperature rise of the 2.5 g of surrounding material, assuming their specific heat capacity is 0.200 cal/(g·ºC) and that it takes 0.0500 s for a circuit breaker to interrupt the current.
Chapter 10 Solutions
University Physics Volume 2
Ch. 10 - Check Your Understanding If you place a wire...Ch. 10 - Check Your Understanding Some strings of miniature...Ch. 10 - Check Your Understanding Consider the same...Ch. 10 - Check Your Understanding How would you use a river...Ch. 10 - Check Your Understanding Consider the electrical...Ch. 10 - Check Your Understanding In considering the...Ch. 10 - Check Your Understanding When using Kirchhoff’s...Ch. 10 - Check Your Understanding Digital meters are able...Ch. 10 - What effect will the internal resistance of a...Ch. 10 - A battery with an internal resistance of r and an...
Ch. 10 - Show that the power dissipated by the load...Ch. 10 - A voltage occurs across an open switch. What is...Ch. 10 - The severity of a shock depends on die magnitude...Ch. 10 - Suppose you are doing a physics lab that asks you...Ch. 10 - Some light bulbs have three power settings (not...Ch. 10 - Can all of die currents going into the junction...Ch. 10 - Consider the circuit shown below. Does the...Ch. 10 - Do batteries in a circuit always supply power to a...Ch. 10 - What are the advantages and disadvantages of...Ch. 10 - Semi-truck or trucks use four large 12-V...Ch. 10 - What would happen if you placed a voltmeter in...Ch. 10 - What is die basic operation of an ohmmeter as it...Ch. 10 - Why should you not connect an ammeter directly...Ch. 10 - A battery, switch, capacitor, and lamp are...Ch. 10 - When making an ECG measurement, it is important to...Ch. 10 - Why isn’t a short circuit necessarily a shock...Ch. 10 - We are often advised to not flick electric...Ch. 10 - A car battery with a 12-V emf and an internal...Ch. 10 - The label on a battery-powered radio recommends...Ch. 10 - An automobile starter motor has an equivalent...Ch. 10 - (a) What is the internal resistance of a voltage...Ch. 10 - A person with body resistance between his hands of...Ch. 10 - A 12.0-V emf automobile battery has a terminal...Ch. 10 - (a) What is the resistance of a 1.00102 , a 2.50k...Ch. 10 - What are the largest and smallest resistances yon...Ch. 10 - An 1800-W toaster, a 1400-W speaker, and a 75-W...Ch. 10 - Your car’s 30.0-W headlight and 2.40-kW starter...Ch. 10 - (a) Given a 48.0-V battery and 24.0- and 96.0- ...Ch. 10 - Referring to the example combining series and...Ch. 10 - Referring to Figure 10.16, (a) Calculate P3and...Ch. 10 - Refer to Figure 10.17 and the discussion of lights...Ch. 10 - Show that if two resistors R1 and R2 are combined...Ch. 10 - Consider the circuit shown below. The terminal...Ch. 10 - Consider the circuit shown below, (a) Find the...Ch. 10 - Consider the circuits shown below, (a) What is the...Ch. 10 - Consider the circuit shown below. Find V1,I2, and...Ch. 10 - Consider the circuit shown below. Find V1, V2, and...Ch. 10 - Consider the circuit shown below. Find I1, I2,and...Ch. 10 - Consider the circuit shown below, (a)...Ch. 10 - Consider the circuit shown below. Write the three...Ch. 10 - Consider the circuit shown below. Write equations...Ch. 10 - Consider the circuit shown in the preceding...Ch. 10 - A child's electronic toy is supplied by three...Ch. 10 - Apply the junction rule to Junction b shown below....Ch. 10 - Apply the loop rule to Loop afedcba in die...Ch. 10 - Suppose you measure the terminal voltage of a...Ch. 10 - The timing device in an automobile's intermittent...Ch. 10 - A heart pacemaker fires 72 times a minute, each...Ch. 10 - The duration of a photographic flash is related to...Ch. 10 - A 2.00- and a 7.50F capacitor can be connected in...Ch. 10 - A 500 resistor, an uncharged 1.50F capacitor,and a...Ch. 10 - A heart defibrillator being used on a patient has...Ch. 10 - An ECG monitor must have an KC time constant...Ch. 10 - Using the exact exponential treatment, determine...Ch. 10 - If you wish to take a picture of a bullet...Ch. 10 - (a) How much power is dissipated in a short...Ch. 10 - What voltage is involved in a 1.44-kW short...Ch. 10 - Find the current through a person and identify the...Ch. 10 - While taking a bath, a person touches the metal...Ch. 10 - A man foolishly tries to fish a burning piece of...Ch. 10 - (a) During surgery, a current as small as 20.0A...Ch. 10 - (a) What is the resistance of a 220-V ac short...Ch. 10 - A heart defibrillator passes 10.0 A through a...Ch. 10 - A short circuit in a 120-V appliance cord has...Ch. 10 - A circuit contains a D cell battery, a switch, a...Ch. 10 - A circuit contains a D-cell battery, a switch, a...Ch. 10 - Consider the circuit below. The battery has an emf...Ch. 10 - A homemade capacitor is constructed of 2 sheets of...Ch. 10 - A student makes a homemade resistor from a...Ch. 10 - The rather simple circuit shown below is known as...Ch. 10 - Three 300- resistors areconnect in series with...Ch. 10 - Consider a circuit that consists of a real battery...Ch. 10 - Consider the circuit shown below. What is the...Ch. 10 - Consider a circuit consisting of a battery with an...Ch. 10 - Consider the circuit shown below. The terminal...Ch. 10 - Consider the circuit shown below. (a) What is the...Ch. 10 - Consider the circuit shown below. (a)Determine the...Ch. 10 - Two resistors, one having a resistance of 145 ,...Ch. 10 - Two resistors, one having a resistance of 900k are...Ch. 10 - Apply the junction rule at point G shown below.Ch. 10 - Apply the loop rule to Loop akledcba in the...Ch. 10 - Find the currants flowing in the circuit in the...Ch. 10 - Consider the circuit shown below, (a) Find the...Ch. 10 - A flashing lamp in a Christmas earring is based on...Ch. 10 - A 160F capacitor charged to 450 V is...Ch. 10 - Some camera flashes use flash tubes that requite a...Ch. 10 - Consider the circuit shown below. Each battery has...Ch. 10 - Analog meters use a galvanometer, which...Ch. 10 - Analog meters use a galvanometer, which...Ch. 10 - Consider the circuit shown below. Find I1, V1, I2,...Ch. 10 - Consider the circuit below.(a) What is the RC time...Ch. 10 - Consider the circuit below, (a) What is the...Ch. 10 - Consider the infinitely long chain of resistors...Ch. 10 - Consider the circuit below. The capacitor has a...Ch. 10 - A 120-V immersion heater consists of a coil of...Ch. 10 - Find the resistance that must be placed in series...Ch. 10 - Find the resistance that must be placed in...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Universal Laws. Briefly discuss how the idea that the laws of nature are universal is important to the study of...
Life in the Universe (4th Edition)
15. Stunt pilots and fighter pilots who fly at high speeds in a downward-curving are may experience a “red out,...
College Physics (10th Edition)
(a) Using information in Figure 25.53, find the height of the instructor's head above the water, noting that yo...
College Physics
9. 1 L or 1 m3
Applied Physics (11th Edition)
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective
Which of the two planets (Esus or Sulis) do you think will move around the central star in the least amount of ...
Lecture- Tutorials for Introductory Astronomy
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) An immersion heater utilizing 120 V can raise the temperature of a 1.00×102 -g aluminum cup containing 350 g of water from 20.0ºC to 95.0ºC in 2.00 min. Find its resistance, assuming it is constant during the process. (b) A lower resistance would shorten the heating time. Discuss the practical limits to speeding the heating by lowering the resistance.arrow_forwardA short circuit in a 120 V appliance cord has a 0.300 resistance. Calculate the temperature rise (in °C) of the 4.00 g of surrounding materials, assuming their specific heat capacity is 0.225 cal/(g. °C) and that it takes 0.0700 s for a circuit breaker to interrupt the current. °℃arrow_forwardThe power drawn by a resistive coil made of copper wire is 220 W at 100 V and 20 °C. Calculatethe energy consumed by the coil at 115 V and 100 °C. The temperature coefficient of resistance at 20 °C is 0.00393?Answe should be 183 Watts. Please do complete solution.arrow_forward
- An office worker uses an immersion heater to warm250 g of water in a light, covered, insulated cup from 20.°C to100.°C in 4.00 minutes. The heater is a Nichrome resistancewire connected to a 120 - V power supply. Assume the wire is at100.°C throughout the 4.00 - min time interval. (a) Calculatethe average power required to warm the water to 100.°C in4.00 min. (b) Calculate the required resistance in the heatingelement at 100.°C. (c) Calculate the resistance of the heatingelement at 20.°C. (d) Derive a relationship between thediameter of the wire, the resistivity at 20.°C, ρ0, the resistanceat 20.°C, R0, and the length L. (e) If L = 3.00 m, what is thediameter of the wire?arrow_forwardHow long in minutes will it take a 1-kW. 230-volt percolator to raise the temperature of 1.8 kg of water from 20° C up to 100°C. Assuming a heat loss of 18%.arrow_forward(b) A Resistance Temperature Detector (RTD) PT100 has the output resistance of 100 Q when the temperature is 0 °C and 145.6 Q at 100 °C. The Temperature Coefficient Resistance (TCR) for platinum is 0.00456. Calculate the temperature when the resistance is 120 Q.arrow_forward
- A teapot with a surface area 9 325 cm2 is to be plated with silver. It is attached to the negative electrode & an electrolytic cell containing Silver nitrate (Ag+ NO3-). The cell is Powered by a 12.0- resistance battery and has a 의 son If the density & silver is 1.05 x 104 kg/m³, Over what time Interval does a 0-133-mm Jayer of Silver build up on the teapot?!! 의arrow_forwardOver the course of an 8 hour day, 3.8x104 C of charge | A 0.50-W, 220- 2 resistor carries the maximum current pass through a typical computer (presuming it is in use possible without damaging the resistor. If the current the entire time). Determine the current for such a were reduced to half the value, what would be the computer. power consumed? Three resistors are connected in series with a voltage Source of 48. V. A 100Q, a 2.50-kSQ, and a 4.00-kQ resistor what is the current on 100 Q resistor?arrow_forwardA coil of copper wire has resistance of 90 ohms at 20 degree celsuis and is connected to a 230 V supply by how much must the voltage be increased in order to maintain the current constant if the temperature of the coil rises to 60 degree celsuis? Take temperature coeeficient of resistance = 0.00428/degree celsuis.arrow_forward
- We are going to use a microwave oven, a toaster, and a refrigerator. The equivalent resistance of the kitchen circuit is 6 ohms. When all thee devices are in use, the fuse breaks if the current reaches 25A. Will the fuse blow?arrow_forwardA 5-meter-long conductor wth the diameter of 5mm is connected to a source and an external resistance. The temperature of the conductor changes from 25 degrees to 35 degrees. Determine the resistivities and resistances at each temperature. Thermal coefficient of the conductor is 40 x 10-3 and the conductivity at 20°C is 2.5465 x 104 per ohm-meter.arrow_forwardTwo cities separated by 10,000 ft is connected by telephone wires whose thermal coefficient of resistance at 25oC is 0.003/Co . If the resistance of the wire at 45oC is 612 Ω, what would be its resistance at 25oC?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
How To Solve Any Resistors In Series and Parallel Combination Circuit Problems in Physics; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=eFlJy0cPbsY;License: Standard YouTube License, CC-BY