EP PHYSICS F/SCI.+ENGR.W/MOD..-MOD MAST
4th Edition
ISBN: 9780133899634
Author: GIANCOLI
Publisher: PEARSON CO
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 25, Problem 8P
(II) A bird stands on a dc electric transmission line carrying 3100 A (Fig. 25–34). The line has 2.5 × 10−5 Ω resistance per meter, and the bird’s feet are 4.0 cm apart. What is the potential difference between the bird’s feel?
FIGURE 25–34
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
- (II) A bird stands on a dc electric transmission line carrying
4100 A (Fig. 18–34). The line has 2.5 × 10-° N resistance
per meter, and the bird's feet are 4.0 cm apart. What is the
potential difference between the bird's feet?
GURE 18–34
roblem 8.
9. (II) A bird stands on a de electric transmission line
carrying 2800 A (Fig. 18–34). The line has 2.5 × 10~$ N
resistance per meter, and the bird's feet are 4.0 cm apart.
What is the potential difference between the bird's feet?
FIGURE 18-34 Problem 9.
(II) You want to design a portable electric blanket that runson a 1.5-V battery. If you use a 0.50-mm-diameter copperwire as the heating element, how long should the wire be ifyou want to generate 18 W of heating power? What happensif you accidentally connect the blanket to a 9.0-V battery?
Chapter 25 Solutions
EP PHYSICS F/SCI.+ENGR.W/MOD..-MOD MAST
Ch. 25.2 - If 1 million electrons per second pass a point in...Ch. 25.3 - Prob. 1BECh. 25.4 - Return to the Chapter-Opening Question, page 651,...Ch. 25.4 - Prob. 1DECh. 25.4 - Prob. 1EECh. 25.4 - Prob. 1FECh. 25.6 - How many 60-W 120-V lightbulbs can operate on a...Ch. 25.7 - Each channel of a stereo receiver is capable of an...Ch. 25 - What quantity is measured by a battery rating...Ch. 25 - When an electric cell is connected to a circuit,...
Ch. 25 - When a flashlight is operated, what is being used...Ch. 25 - One terminal of a car battery is said to be...Ch. 25 - When you turn on a water faucet, the water usually...Ch. 25 - Can a copper wire and an aluminum wire of the same...Ch. 25 - The equation P = V2/R indicates that the power...Ch. 25 - What happens when a lightbulb burns out?Ch. 25 - If the resistance of a small immersion heater (to...Ch. 25 - Prob. 10QCh. 25 - Explain why lightbulbs almost always burn out just...Ch. 25 - Which draws more current, a 100-W lightbulb or a...Ch. 25 - Electric power is transferred over large distances...Ch. 25 - A 15-A fuse blows repeatedly. Why is it dangerous...Ch. 25 - When electric lights are operated on low-frequency...Ch. 25 - Driven by ac power, the same electrons pass back...Ch. 25 - The heating element in a toaster is made of...Ch. 25 - Is current used up in a resistor? Explain.Ch. 25 - Compare the drift velocities and electric currents...Ch. 25 - A voltage V is connected across a wire of length l...Ch. 25 - Why is it more dangerous to turn on an electric...Ch. 25 - ( A current of 1.30 A flows in a wire. How many...Ch. 25 - (I) A service station charges a battery using a...Ch. 25 - (I) What is the current in amperes if 1200 Na+...Ch. 25 - (I) What is the resistance of a toaster if 120V...Ch. 25 - (II) An electric clothes dryer has a heating...Ch. 25 - (II) A hair dryer draws 9.5 A when plugged into a...Ch. 25 - (II) A 4.5-V battery is connected to a bulb whose...Ch. 25 - (II) A bird stands on a dc electric transmission...Ch. 25 - (II) A 12-V battery causes a current of 0.60 A...Ch. 25 - (II) An electric device draws 6.50 A at 240 V. (a)...Ch. 25 - (I) What is the diameter of a 1.00-m length of...Ch. 25 - (I) What is the resistance of a 4.5-m length of...Ch. 25 - (II) Calculate the ratio of the resistance of 10.0...Ch. 25 - (II) Can a 2.2-mm-diameter copper wire have the...Ch. 25 - (II) A sequence of potential differences V is...Ch. 25 - (II) How much would you have 10 raise the...Ch. 25 - (II) A certain copper wire has a resistance of...Ch. 25 - (II) Determine at what temperature aluminum will...Ch. 25 - (II) A 100-W lightbulb has a resistance of about...Ch. 25 - (II) Compute the voltage drop along a 26-m length...Ch. 25 - (II) Two aluminum wires have the same resistance....Ch. 25 - (II) A rectangular solid made of carbon has sides...Ch. 25 - (II) A length of aluminum wire is connected to a...Ch. 25 - (II) Small changes in the length of an object can...Ch. 25 - (II) A length of wire is cut in half and the two...Ch. 25 - (III) For some applications, it is important that...Ch. 25 - (III) Determine a formula for the total resistance...Ch. 25 - (III) The filament of a lightbulb has a resistance...Ch. 25 - (III) A 10.0-m length of wire consists of 5.0 m of...Ch. 25 - (III) A hollow cylindrical resistor with inner...Ch. 25 - (I) What is the maximum power consumption of a...Ch. 25 - (I) The heating element of an electric oven is...Ch. 25 - (I) What is the maximum voltage that can be...Ch. 25 - (I) (a) Determine the resistance of, and current...Ch. 25 - (II) An electric power plant can produce...Ch. 25 - (II) A 120-V hair dryer has two settings: 850 W...Ch. 25 - (II) A 115-V fish-tank heater is rated at 95W....Ch. 25 - (II) You buy a 75-W lightbulb in Europe, where...Ch. 25 - (II) How many kWh of energy does a 550-W toaster...Ch. 25 - (II) At 0.095/kWh, what does it cost to leave a...Ch. 25 - (II) What is the total amount of energy stored in...Ch. 25 - (II) An ordinary flashlight uses two D-cell 1.5-V...Ch. 25 - (II) How many 75-W lightbulbs, connected to 120V...Ch. 25 - (II) An extension cord made of two wires of...Ch. 25 - (II) A power station delivers 750kW of power at...Ch. 25 - (III) A small immersion heater can be used in a...Ch. 25 - (III) The current in an electromagnet connected to...Ch. 25 - (III) A 1.0-m-long round tungsten wire is to reach...Ch. 25 - (I) Calculate the peak current in a 2.7-k resistor...Ch. 25 - (I) An ac voltage, whose peak value is 180 V, is...Ch. 25 - (II) Estimate the resistance of the 120-Vrms...Ch. 25 - (II) The peak value of an alternating current in a...Ch. 25 - (II) An 1800-W are welder is connected to a...Ch. 25 - (II) (a) What is the maximum instantaneous power...Ch. 25 - (II) A heater coil connected to a 240-Vrrms ac...Ch. 25 - (II) For a time-dependent voltage V(t), which is...Ch. 25 - Prob. 57PCh. 25 - (II) A 5.80-m length of 2.0-mm-diameter wire...Ch. 25 - (II) At a point high in the Earths atmosphere....Ch. 25 - (I) What is the magnitude of the electric field...Ch. 25 - (II) A neuron is stimulated with an electric...Ch. 25 - (III) During an action potential, Na+ ions move...Ch. 25 - A person accidentally leaves a car with the lights...Ch. 25 - How many coulombs are there in 1.00 ampere-hour?Ch. 25 - You want to design a portable electric blanket...Ch. 25 - What is the average current drawn by a 1.0-hp...Ch. 25 - Prob. 67GPCh. 25 - The heating element of a 110-V, 1500-W heater is...Ch. 25 - (a) A particular household uses a 1.8-kW healer...Ch. 25 - A small city requires about 15 MW of power....Ch. 25 - A 1400-W hair dryer is designed for 117 V. (a)...Ch. 25 - The wiring in a house must be thick enough so it...Ch. 25 - Prob. 73GPCh. 25 - Suppose a current is given by the equation I =...Ch. 25 - A microwave oven running at 65% efficiency...Ch. 25 - Prob. 76GPCh. 25 - 220 V is applied to two different conductors made...Ch. 25 - An electric heater is used to heat a room of...Ch. 25 - A 2800-W oven is connected to a 240-V source, (a)...Ch. 25 - A proposed electric vehicle makes use of storage...Ch. 25 - A 12.5- resistor is made from a coil of copper...Ch. 25 - A fish-tank heater is rated at 95 W when connected...Ch. 25 - A 100-W, 120-V lightbulb has a resistance of 12 ...Ch. 25 - In an automobile, the system voltage varies from...Ch. 25 - The Tevatron accelerator at Fermilab (Illinois) is...Ch. 25 - Lightbulb A is rated at 120 V and 40 W for...Ch. 25 - An air conditioner draws 14 A at 220-V ac. The...Ch. 25 - Copper wire of diameter 0.259 cm is used to...Ch. 25 - Battery-powered electricity is very expensive...Ch. 25 - How far does an average electron move along the...Ch. 25 - A copper pipe has an inside diameter of 3.00 cm...Ch. 25 - For the wire in Fig. 2539, whose diameter varies...Ch. 25 - The cross section of a portion of wire increases...Ch. 25 - Prob. 94GPCh. 25 - The level of liquid helium (temperature 4 K) in...Ch. 25 - (II) The resistance, R, of a particular thermistor...
Additional Science Textbook Solutions
Find more solutions based on key concepts
What kind of motions you impart to a stretched coiled spring o tot a Slinky to produce a transverse wave? To pr...
Conceptual Integrated Science
Electromagnetic waves dont readily penetrate metals. Why not?
Essential University Physics: Volume 2 (3rd Edition)
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective (8th Edition)
Check Your Understanding In what orientation would a magnetic dipole have to be to produce (a) a maximum torque...
University Physics Volume 2
21. Explain why when landing on a firm surface after a fall you should not land with stiff legs.
College Physics
8.39 Jack (mass 55.0 kg) is sliding due east with speed 8.00 m/s on the surface of a frozen pond. He collides w...
University Physics (14th Edition)
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
- When applying Kirchhoff's loop rule (such as in Fig. 19–36), does the sign (or direction) of a battery's emf depend on the direction of current through the battery? What about the terminal voltage? r= 1.0 2 E = 18 V R=6.6 N r= 2.0 Q FIGURE 19-36 Question 10. E = 12 Varrow_forward(II) Electrocardiographs are often connected as shown in Fig. 19–68. The lead wires to the legs are said to be capac- itively coupled. A time constant of 3.0 s is typical and allows rapid changes in potential to be recorded accurately. If C = 3.0 µF, what value must R have? [Hint: Consider each leg as a separate circuit.] - To left-leg C electrode R Recorder - To right-leg electrode (ground) R C GURE 19-68 ·To arm electrode oblem 53. Amplifierarrow_forward(ii) What will be the value of the voltage drop across the R3 = 80 resistor?| R1 50 R2 100 V 30 V R3 80arrow_forward
- (II) An electric circuit was accidentally constructed usinga 7.0µ F capacitor instead of the required 16 µ F value.Without removing the 7.0µ F capacitor, what can a technician add to correct this circuit?arrow_forward10MF 4) Find how much time elapses before the charge on each capacitor reach 1/3 of the maximum value once the switch is closed, if R = 100 kohms. 3V R 10pFarrow_forward(ii) In the circuit shown below, two batteries are connected opposing one another in the circuit. There are also, two resistors in the circuit with values of 10 Q and 7 0 respectively. Calculate the total current in the circuit. E1 = 9.5 V ľį = 1.75 R1 = 10 Q R2 = 7 2 E2 = 3.5 V r2 = 2.5 Qarrow_forward
- 71 In Fig. 27-69, R¡ = 20.0 N, R, 10.0 2, and the ideal battery has emf E = 120 V. What is the current at point a if we close (a) only switch S1, (b) only switches S, and S2, and (c) all three switches? S2 S3 a +18 RE RE R R1- + R1 R2 R2 Figure 27-69 Problem 71.arrow_forward(II) Determine the magnitudes and directions of the currents V1 =9.0 V _Rị = 22 $2 through R1 and R2 in Fig. 19–59. R2 = 18 2 V3 =6.0 V FIGURE 19-59 Problems 31 and 32.arrow_forward(II) Suppose two batteries, with unequal emfs of 2.00 V and 3.00 V, are connected as shown in Fig. 19–62. If each internal resistance is r = 0.350 N, and R = 4.00 N, what is the voltage R= 4.00 2 E= 2.00 V across the resistor R? FIGURE 19–62 Problem 36. E = 3.00 v"arrow_forward
- A person with body resistance between his hands of 10.0 kΩ accidentally grasps the terminals of a 20.0-kV power supply. (Do NOT do this!) What is the power dissipated in his body?arrow_forwardSuppose that by mistake you leave ten 50-W light bulbs turned on at your house for 24 hr. Say that the cost of electricity is 6 cents per kW · hr. (i)How many Joules are used by the ten light bulbs over the 24 hours? (ii) calculate the cost for this mistake?arrow_forward(I) What is the maximum voltage that can be applied acrossa 3.9-kΩ resistor rated at 1/4 watt?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
What is Electromagnetic Induction? | Faraday's Laws and Lenz Law | iKen | iKen Edu | iKen App; Author: Iken Edu;https://www.youtube.com/watch?v=3HyORmBip-w;License: Standard YouTube License, CC-BY