1.) Two long parallel current-carrying wires P and Q are separated by 0.10 m. The current in wire P is 5.0 A.The magnetic force on a length of 0.50 m of wire P due to the current in wire Q is 2.0 × 10-s N.(a) State and explain the magnitude of the force on a length of 0.50 m of wire Q due to the current in P. [2](b) Calculate the current in wire Q. [2](c) Another current-carrying wire R is placed parallel to wires P and Q and halfway between them as shown.wire Pwire Rwire Q0.05 m0.05 mThe net magnetic force on wire Q is now zero.(c.i) State the direction of the current in R, relative to the current in P.[1](c.ii) Deduce the current in R. [2]

Answered: Image /qna-images/answer/437fbb77-03ba-4928-9acc-3a0fc88341c2.jpg

Answered: 1.) Two long parallel current-carrying…

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter24: Magnetic Fields

Section: Chapter Questions

Problem 69A

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Similar questions

If a cosmic ray proton approaches the Earth from outer space along a line toward the center of the Earth that lies in the plane of the equator, in what direction will it be deflected by the Earth’s magnetic field? What about an electron? A neutron?
If a charged particle moves in a straight line, can you conclude that there is no magnetic field present?
A long solenoid with closely spaced turns carries electric current. Does each turn of wire exert (a) an attractive force on the next adjacent turn, (b) a repulsive force on the next adjacent turn, (c) zero force on the next adjacent turn, or (d) either an attractive or a repulsive force on the next turn, depending on the direction of current in the solenoid?
Four different proton velocities are given. For each case, determine the magnetic force on the proton in terms of e, v0and B0.
In a region a non-uniform magnetic field exists such that Bx=0,By=0,andBz=ax where a is a Constant. At some time t, a wire of length L is carrying a current I is located along the x-axis from origin to x = L. Find the magnetic force on the wine at this instant in time.
A 5.0-m section of a long, straight wire carries a current of 10 A while in a uniform magnetic field of magnitude 8.0103T . Calculate the magnitude of the force on the section if the angle between the field and the direction of the current is (a) 45°; (b) 90°; (C) 0°; or (d) 180°.
3. In Niels Bohr’s 1913 model of the hydrogen atom, an electron circles the proton at a distance of 5.29 × 10−11 m with a speed of 2.19 × 106 m/s. Compute the magnitude of the magnetic field this motion produces at the location of the proton.
Normally a refrigerator is not magnetized. If you tried to stick a bar magnet to a refrigerator, would you expect both poles to be attracted to the refrigerator, neither pole to be attracted, or just one pole to be attracted? Explain.
Can a constant magnetic field set into motion an electron initially at rest? Explain your answer.
At a certain location, Earth has a magnetic field of 0.60 104 T, pointing 75 below the horizontal in a north-south plane. A 10.0-m-long straight wire carries a 15-A current, (a) If the current is directed horizontally toward the east, what are the magnitude and direction of the magnetic force on tile wire? (b) What are the magnitude and direction of the force if the current is directed vertically upward?
What is the maximum force on an aluminum rod with a 0.100C charge that you pass between the poles of a 1.50T permanent magnet at a speed of 5.00 m/s? In what direction is the force?
A proton travels with a speed of 3.00 106 m/s at an angle of 37.0 with the direction of a magnetic field of 0.300 T in the +y direction. What are (a) the magnitude of the magnetic force on the proton and (b) its acceleration?

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