The current through a wire that is 0.80 m long is5.0 A. The wire is at right angles to a 0.60 Tmagnetic field. What is the magnitude of the forceon the wire?O 0.24 NO 2.4 NO 24 NO 240 N

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Answered: The current through a wire that is 0.80…

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

A square loop whose sides are 6.0-cm long is made with copper wire of radius 1.0 mm. If a magnetic field perpendicular to the loop is changing at a rate of 5.0 mT/s, what is the current in the loop?
A 2.50m segment of wire supplying current to the motor of a submerged submarine carries 1000 A and feels a 4.00-N repulsive force from a parallel wire 5.00 cm away. What is the direction and magnitude of the current in the other wire?
In a long, .straight, vertical lightning stroke, electrons move downward and positive ions move upward and constitute a current of magnitude 20.0 kA. At a location 50.0 m east of the middle of the stroke, a free electron drifts through the air toward the west with a speed of 300 m/s. (a) Make a sketch showing the various vectors involved. Ignore the effect of the Earth's magnetic field. (b) Find the vector force the lightning stroke exerts on the electron. (c) Find the radius of the electrons path. (d) Is it a good approximation to model the electron as moving in a uniform field? Explain your answer. (e) If it does not collide with any obstacles, how many revolutions will the electron complete during the 60.0-s duration of the lightning stroke?
Figure 22.30 (Quick Quiz 22.6) Four closed paths around three current-carrying wires. Rank the magnitudes of Bds for the closed paths a through d in Figure 22.30, from greatest to least.
Two long, straight wires are parallel and 10 cm apart. One cans a current of 2.0 A, the other a current of 5.0 A. (a) If the two currents flow in opposite directions, what is the magnitude and direction of the force pet unit length of one wire on the other? (b) What is the magnitude and direction of the force per unit length if the currents flow in the same direction?
A proton having an initial velocity of 20.0iMm/s enters a uniform magnetic field of magnitude 0.300 T with a direction perpendicular to the protons velocity. It leaves the field-filled region with velocity 20.0jMm/s. Determine (a) the direction of the magnetic field. (b) the radius of curvature of the protons path while in the field, (c) the distance the proton traveled in the field, and (d) the time interval during which the proton is in the field.
Electrons in Earths upper atmosphere have typical speeds near 6.00 105 m/s. (a) Calculate the magnitude of Earths magnetic field if an electrons velocity is perpendicular to the magnetic field and its circular path has a radius of 7.00 102 m. (b) Calculate the number of times per second that an electron circles around a magnetic field line.
Unreasonable results Frustrated by the small Hall voltage obtained in blood flow measurements, a medical physicist decides to increase the applied magnetic field strength to get a 0.500-V output for blood moving at 30.0 cm/s in a 1.50-cm-diameter vessel. (a) What magnetic field strength is needed? (b) What is unreasonable about this result? (C) Which premise is responsible?
Two ions are accelerated from rest in a mass spectrometer operating with potential difference V. The first ion, with mass m1, is singly ionized and is deflected into a semicircle of radius R1 by the uniform magnetic field in the mass spectrometer. A second, doubly-ionized ion with mass m2 is deflected into a semicircle with twice the radius of the first ion. What is the ratio m2/m1?
A current of 1.2 A is flowing in a coaxial cable whose outer radius is five times its inner radius. What is the magnetic field energy stored in a 3.0-m length of the cable?

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The current through a wire that is 0.80 m long is 5.0 A. The wire is at right angles to a 0.60 T magnetic field. What is the magnitude of the force on the wire? O 0.24 N 2.4 N 24 N 240 N