EBK FUNDAMENTALS OF APPLIED ELECTROMAGN
7th Edition
ISBN: 8220100663659
Author: ULABY
Publisher: PEARSON
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Question
Chapter 5, Problem 13P
To determine
The magnitude of the current
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When current flows in a conductor, lines of magnetic force:
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Question Three: Magnetic Force between wires.
Three long parallel wires are 5 cm from one another. (Looking along them, they are at three
corners of an equilateral triangle.) The current in each wire is 10.00 A, but its direction in wire M
is opposite to that in wires N and P. Determine the magnetic force per unit length on each wire
due to the other two.
M
sem
5cm
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Chapter 5 Solutions
EBK FUNDAMENTALS OF APPLIED ELECTROMAGN
Ch. 5.1 - What are the major differences between the...Ch. 5.1 - Prob. 2CQCh. 5.1 - How is the direction of the magnetic moment of a...Ch. 5.1 - If one of two wires of equal length is formed into...Ch. 5.1 - An electron moving in the positive x direction...Ch. 5.1 - A proton moving with a speed of 2 106 m/s through...Ch. 5.1 - A charged particle with velocity u is moving in a...Ch. 5.1 - A horizontal wire with a mass per unit length of...Ch. 5.1 - A square coil of 100 turns and 0.5 m long sides is...Ch. 5.2 - Two infinitely long parallel wires carry currents...
Ch. 5.2 - Devise a right-hand rule for the direction of the...Ch. 5.2 - What is a magnetic dipole? Describe its magnetic...Ch. 5.2 - Prob. 6ECh. 5.2 - A wire carrying a current of 4 A is formed into a...Ch. 5.2 - Prob. 8ECh. 5.3 - What are the fundamental differences between...Ch. 5.3 - Prob. 9CQCh. 5.3 - Compare the utility of applying the BiotSavart law...Ch. 5.3 - Prob. 11CQCh. 5.3 - A current I flows in the inner conductor of a long...Ch. 5.3 - The metal niobium becomes a superconductor with...Ch. 5.5 - What are the three types of magnetic materials and...Ch. 5.5 - What causes magnetic hysteresis in ferromagnetic...Ch. 5.5 - Prob. 14CQCh. 5.5 - The magnetic vector M is the vector sum of the...Ch. 5.6 - With reference to Fig. 5-24, determine the single...Ch. 5.7 - Prob. 15CQCh. 5.7 - What is the difference between self-inductance and...Ch. 5.7 - Prob. 17CQCh. 5.7 - Use Eq. (5.89) to obtain an expression for B at a...Ch. 5 - An electron with a speed of 8 106 m/s is...Ch. 5 - When a particle with charge q and mass m is...Ch. 5 - The circuit shown in Fig. P5.3 uses two identical...Ch. 5 - The rectangular loop shown in Fig. P5.4 consists...Ch. 5 - In a cylindrical coordinate system, a 2 m long...Ch. 5 - Prob. 6PCh. 5 - Prob. 7PCh. 5 - Prob. 8PCh. 5 - The loop shown in Fig. P5.9 consists of radial...Ch. 5 - An infinitely long, thin conducting sheet defined...Ch. 5 - An infinitely long wire carrying a 25 A current in...Ch. 5 - Prob. 12PCh. 5 - Prob. 13PCh. 5 - Prob. 14PCh. 5 - A circular loop of radius a carrying current I1 is...Ch. 5 - Prob. 16PCh. 5 - Prob. 17PCh. 5 - Prob. 18PCh. 5 - Three long, parallel wires are arranged as shown...Ch. 5 - A square loop placed as shown in Fig. P5.20 has 2...Ch. 5 - Prob. 21PCh. 5 - Prob. 22PCh. 5 - Repeat Problem 5.22 for a current density J=zJ0er.Ch. 5 - In a certain conducting region, the magnetic field...Ch. 5 - Prob. 25PCh. 5 - Prob. 26PCh. 5 - Prob. 27PCh. 5 - A uniform current density given by J=zj0 (A/m2)...Ch. 5 - A thin current element extending between z = L/2...Ch. 5 - In the model of the hydrogen atom proposed by Bohr...Ch. 5 - Iron contains 8.5 1028 atoms/m3. At saturation,...Ch. 5 - The xy plane separates two magnetic media with...Ch. 5 - Given that a current sheet with surface current...Ch. 5 - In Fig. P5.34, the plane defined by x y = 1...Ch. 5 - The plane boundary defined by z = 0 separates air...Ch. 5 - Prob. 36PCh. 5 - Prob. 37PCh. 5 - A solenoid with a length of 20 cm and a radius of...Ch. 5 - Prob. 39PCh. 5 - The rectangular loop shown in Fig. P5.40 is...Ch. 5 - Determine the mutual inductance between the...
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Similar questions
- A long, East-West oriented power cable carrying an unknown current I is at a height of 12 m above the Earth's surface. If the magnetic flux density recorded by a magnetic-field meter placed at the surface is 5 µT when the current is flowing through the cable and 20 µT when the current is zero, what is the magnitude of 1? hint: The measurements from the "magnetic-field meter" are always going to include the Earth's magnetic field - that's unavoidable, so the measurements are taken under two circumstances so the magnetic field of just the power cable can be isolated.arrow_forwardWhen a moving conductor is placed across the magnetic field, voltage is induced. Explain further theoretically.arrow_forwardIn the core of a long solenoid the magnetic flux density is 100 Tesla. The cross section of the solenoid is a circle with diameter d=10 cm. Determine the magnetic flux in the core in mWb.arrow_forward
- What is the primary characteristic of an eddy current in a conductor exposed to a changing magnetic field? A) Eddy currents flow in closed loops within the conductor and can cause energy loss in the form of heat. B) Eddy currents produce a magnetic field that opposes the applied external magnetic field. C) Eddy currents are negligible in conductive materials with high magnetic permeability. D) Eddy currents are directly proportional to the resistivity of the material.arrow_forward. Consider two wires of length 1m carrying currents i1 = 2A and i2 = 4A with directionindicated in the following figure. So answer what is asked.(a) What is the resultant magnetic field strength at point P in the figure?(b) Determine the distance d for the current cable i1 from a point Q where the field strengthresulting magnetic field is zero.(c) What would happen to the magnetic field strength if the current i1 were 4A?arrow_forward3)This multiple choice question from MEASUREMENTS INSTRUMENTATIONS course.arrow_forward
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- 3 3. A square loop is located close to an infinitely long conductor as shown below. Calculate the magnetic flux through the loop. 4m 2 AT 2 pm 4 marrow_forwardA conductor is moving with a velocity of 12 m/s in the direction shown. The flux density is 1.6 T, and the length of the wire is 1.2 m making an angle with vertical axis. What is the magnitude and the polarity of the induced voltage at the terminals of the wire? Select one: a. eind 17.65 Volts, Positive terminal down b. None C. 40. d. eind eind e. B eind 14.81 Volts, Positive terminal down 17.65 Volts, Positive terminal up 14.81 Volts, Positive terminal downarrow_forward4. Induced current occurs when the magnetic flux through a conducting loop changes. This can happen when a) the magnetic field magnitude changes, b) the magnetic field direction changes, c) the orientation of the loop changes with respect to the magnetic field, or d) if the area of the loop changes. Draw a picture of a situation where each of the above things occurs.arrow_forward
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