Answered: *18. For the network in Fig. 7.81 O: a.…

*18. For the network in Fig. 7.81 O: a. Determine the currents /, I,, ls, and l4. b. Calculate V, and Voc- Va 6Ω R4. 14 N RS 20 Ω b R2 , 10 Ω I 20 V R3 R1 Fig. 7.81 Problem 18.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter17: Current And Resistance

Section: Chapter Questions

Problem 62AP

See similar textbooks

Related questions

Q: 1141|1 Section Three - Understanding Main Ideas Low Mass Star Dust C. --0- 1. Red giant 2. Protostar...

Q: The current passing through an electronic load is known to be exactly 120 milli-amperes. When measur...

Q: Three identical point charges with charge q = +3.0 x10-6 C are placed at each vertex of an equilater...

Q: Find the magnitude of T2 in the supporting cable shown below. The weight of the suspended body is 11...

Q: Power in an Electric Heater An electric heater is constructed by applying a potential difference of ...

A: Given, V = 120 V R = 7.75Ω

Q: A disk which has an area of 0.08 square meters and is tilted at an angle of 75 degrees with respect ...

Q: Part A A proton with an initial speed of 7.60x105 m/s is brought to rest by an electric field Did th...

Q: erm 1 (UG .. The figure below shows nine point charges that lie in the same plane. Four Gaussian sur...

Q: From the figure below, what is the electric flux on surface a if q = 8.854 x 10 12 C. ( E0 = 8.854 x...

A: Data provided: Charge (q) = 8.854×10-12 C ε0 = 8.854×10-12 C2/Nm2 Required: The electric flux on the...

Q: From the figure below, what is the electric flux on surface a if q = 8.854 x 10-12 C. (e0 = 8.854 x ...

A: Given data: Three charges enclosed by surface a +2q, +q and - q q = 8.854×10-12 C ε0 = 8.854×10-12 ...

Q: A conducting spherical shell (colored yellow) has an inner radius a and outer radius b, as shown by ...

Q: The headlights of an automobile are set such that the beam drops 5.00 in. for each 24.0 ft in front ...

Q: The figure below shows nine point charges that lie in the same plane. Four Gaussian surfaces each en...

A: We know by gauss law that electric flux E→.dA→ associated with closed gaussian surface is given by Q...

Q: Starting from rest, the motorboat travels around the circular path, ρ = 50 m, at a speed v=(0.2t^2)m...

Q: The vessels shown below all contain water to the same height. Rank them according to the pressure ex...

A: The pressure in a liquid is due to the weight of the column of the water above. The pressure 'p' exe...

Q: From the figure below, what is the electric flux on surface a if q 8.854 x 10 12 C. ( E0 = 8.854 x 1...

Q: In the figure, all the charges are point charges and the charge in the middle is Q=-3.1 nC. For what...

A: For charge q2 to be stable ,the force of attraction on q2 due to Q must be equal to force of repuls...

Q: 5.5 m/s in the positive direction. Assume that the collision is elastic and exactly head-on. Shot at...

Q: Certain sharks can detect an electric field as weak as 1.0 μV/mμV/m. To grasp how weak this field i...

A: Given data: Electric field (E) = 1.0 μV/m = 1.0×10-6 V/m Potential difference (ΔV) = 1.5 V Required...

Q: Point charges +5.00-µC and -4.00-µC are placed on the x-axis at x = 0 and x = cm, respectively. At w...

Q: The figure below shows two oppositely charged conducting plates with an equal magnitude of surface c...

A: Its a concept of electric charges and field

Q: Can I please see an example of how this equation is used to find the coefficient of kinetic friction

A: given formula : fk = μk n where fk is the kinetic friction μk is the coefficient of kinetic friction...

Q: 1. An, 18:0-Ky box is celeased ona 34°incline land accekiaes down the incline at o,33 mi3 Find the P...

Q: A flat surface of area 1.25 m2 is rotated through a uniform horizontal electric field of 5 N/C. What...

Q: Speakers A and B are 100 m apart and send out coherent sound waves with frequency of f = 200 Hz. Ali...

A: From the question its clear that there will be an interference of sound waves from speaker A and spe...

Q: A uniform disc of mass 3.0 kg and radius 25 cm is mounted on a fixed horizontal axle. A block with m...

A: Given that:- Mass of disc=M=3kg Radius of disc=R=25cm

Q: A contestant in a winter games event pushes a 37.0-kg block of ice across a frozen lake with a force...

Q: The potential difference between the plates of a parallel-plate capacitor is kept constant by a 20.0...

A: Given data: A parallel-plate capacitor Battery voltage (V) = 20.0 V Area of plate (A) = 10 cm2 = 1...

Q: If the electrical potential in a region is constant, the electric field must be zero everywhere in t...

A: We know electric field is the negative gradient Of the potential which means E =-∇V where E = Elec...

Q: o separate a .21 C charge from another charge, 39 J of work is done. What is the voltage of the .21 ...

A: charge = q = 21 C work = w = 39 J voltage = V = ?

Q: The electric field between the square plates of a parallel-plate capacitor has magnitude E. A batter...

Q: (a) Calculate the magnitude of the gravitational force exerted on a 486-kg satellite that is a dista...

A: according to gravitational law , the gravitational force between two mass is given by F = GMm/r2. wh...

Q: The figure below shows two oppositely charged conducting plates with an equal magnitude of surface c...

Q: A small glass bead has been charged to 8.0 nC. What is the magnitude of the electric field 2.0 cm fr...

Q: The potential energy of an object is given by U(x)=8x2-x4, where U is in joules and x is in meters ...

Q: Part A Write a problem for which the following mathematical statement can be a solution: 1 A = (ɛ – ...

Q: Suppose that 3 J of work is needed to stretch a spring from its natural length of 36 cm to a length ...

Q: From the figure below, what is the electric flux on surface a if q = 8.854 x 10 12 C. ( E0 = 8.854 x...

A: Given that:- q=8.854×10^-12C

Q: Two resistors connected in series have an equivalent resistance of 690 V. When they are connected in...

Q: The figure below shows two oppositely charged conducting plates with an equal magnitude of surface c...

A: We have two plates with charge density σ and -σ

Q: The cost the Apollo program that landed men on the moon was $25.4B. Using estimation compare the di...

A: The cost of the Apollo program that landed men on the moon was $25.4B. To compare the distance to th...

Q: -5.0 µC charge moves from m to m in a uniform electric field V/m. (a) Calculate the potential diff...

A: charge (q) = -5 μC Initial position = <2,-5,3> mFinal position = <6,3,1> mElectric field...

Q: The power supplied to a typical black-and-white television set is 90 W when the set is connected to ...

A: Given data: Power (P) = 90 W Voltage (V) = 120 V Time (t) = 1 hour Required: Energy consumed (E)

Q: Apoint charge of-5.0 nC is at the center of an imaginary sphere that has a radius equal to 0.50 m. W...

Q: Part A A small sphere with mass 1.80 g hangs by a thread between two large parallel vertical plates ...

A: Given: Mass of sphere =1.80 g=1.8×10-3 kg distance between parallel plates= 5.00 cm=5×10-2 m Charge ...

Q: ges lle in plane, Four Gaussian surfaces ch enclose part of this plane and the image shows the inter...

A: According to Gauss's theorem Electric flux = qenc /ε₀

Q: A Gaussian surface with rectangular size has a positive point charge +q at its center, as shown in t...

A: Given A charge +q is placed in a center of rectangular surface determine change in flux if charge i...

Q: The figure below shows a solid conducting sphere with radius R = 7.00 cm. Upon inspection, the elect...

Q: Aluminum and copper wires of equal length are found to have the same resistance. What is the ratio o...

Q: The pressure reads 10,800 Pa. Determine the altitude at standard atmosphere. *

A: In this question we have to determine the altitude at 10800 Pa. Please give positive feedback if the...

Question

*18. For the network in Fig. 7.81 O:
a. Determine the currents /, I,, ls, and l4.
b. Calculate V, and Voc-
Va
6Ω
R4.
14 N
RS
20 Ω
b
R2
, 10 Ω
I 20 V R3
R1
Fig. 7.81
Problem 18.

Expert Solution

Step 1

Given that:-

Electrical circuit is given in the question.

R1=10ohm, R2=20ohm, R3=5ohm, R4=14ohm and R5=6ohm

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 2 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) Find the current in each resistor of Figure P18.18 by using the rules for resistors in series and parallel. (b) Write three independent equations for the three currents using Kirchhoffs laws: one with the node rule; a second using the loop rule through the battery, the 6.0- resistor, and the 24.0- resistor; and the third using the loop rule through the 12.0- and 24.0- resistors. Solve to check the answers found in part (a). Figure Pl8.18
Integrated Concepts (a) Assuming 95.0% efficiency for the conversion of electrical power by the motor, what current must the 12.0-V batteries of a 750-kg electric car be able to supply: (a) To accelerate from rest to 25.0 m/s in 1.00 min? (b) To climb a 2.00 102-m- high hill in 2.00 min at a constant 25.0-m/s speed while exerting 5.00 102 N of force to overcome air resistance and friction? (c) To travel at a constant 25.0-m/s speed, exerting a 5.00 102 N force to overcome air resistance and friction? See Figure 20.44.
Unreasonable Results (a) What current is needed to transmit 1.00 102 MW of power at 10.0kV? (b) Find the resistance of 1.00 km of wire that would cause a 0.0100% power loss. (c) What is the diameter of a 1.00-km-long copper wire having this resistance? (d) What is unreasonable about these results? (e) Which assumptions are unreasonable, or which premises are inconsistent?
At a price of $0.080/kWh, what does it cost to leave a 100-W security light on during a 10 hour night? I need a well explained answer
A high tension (HT) supply of, say, 6 kV must have a very large internal resistance. Why?
An astronaut uses a small motor, rated at 93% efficient, that is connected to a 12-volt [V] power supply on Mars. The motor has a resistance rating of 2.3 kiloohms [kΩ]. How long will it take to produce 3.4 calories [cal] of energy in units of minutes [min]?
A 240-kV power transmission line carrying 5.00 X 102 A is hung from grounded metal towers by ceramic insulators, each having a 1.00 ×109 -Ω resistance.Figure 21.51 What is the resistance to ground of 100 of these insulators?
A 240-kV power transmission line carrying 5.00x102. A is hung from grounded metal towers by ceramic insulators, each having a 1.00x 109- resistance. Figure 21.51. (a) What is the resistance to ground of 100 of these insulators? (b) Calculate the power dissipated by 100 of them, (c) What fraction of the power carried by the line is this? Explicitly show how you follow the steps in the Problem-Solving Strategies for Series and Parallel Resistors.
. A certain electric motor draws a current of 10 A when connected to 120 V (a) What is the motor’s power consumption? (b) How much energy does it use during 4 h of operation? Express the answer in joules and in kilowatt-hours.
Integrated Concepts A 12.0-V emf automobile battery has a terminal voltage of 16.0 V when being charged by a current of 10.0 A. (a) What is the battery’s internal resistance? (b) What power is dissipated inside the battery? (c) At what rate (in °C/min ) will its temperature increase if its mass is 20.0 kg and it has a specific heat of 0.300 kcal/kg. °C, assuming no heat escapes?
(a) F ind the voltage drop in an extension cord having a 0.0600-O resistance and through which 5.00 A is flowing. (b) A cheaper cord utilizes thinner wire and has a resistance of 0.300 O. What is the voltage drop in it when 5.00 A flows? (c) Why is the voltage to whatever appliance is being used reduced by this amount? What is the effect on the appliance?
(a) A defibrillator sends a 6.00-A current through the chest of a patient by applying a 10,000-V potential as in the figure below. What is the resistance of the path? (b) The defibrillator paddles make contact with the patient through a conducting gel that greatly reduces the path resistance. Discuss the difficulties that would ensue if a larger voltage were used to produce the same current through the patient, but with the path having perhaps 50 times the resistance. (Hint: The current must be about the same, so a higher voltage would imply greater power. Use this equation for power: P=I2 RP = .)