A circular loop of wire with radius 0.0430 m and resistance 0.152 N is in a region ofspatially uniform magnetic field, as shown in the following figure (Figure 1). The magneticfield is directed out of the plane of the figure. The magnetic field has an initial value of 8.48T and is decreasing at a rate of -0.622 T/s.Part APart BWhat is the rate at which electrical energy is being dissipated by the resistance of the loop?Express your answer with the appropriate units.HA?P =ValueUnitsSubmitRequest Answer< Return to AssignmentProvide FeedbackFigure< 1 of 1 >

Radius of circular loop (r) = 0.043 m Resistance (R) = 0.152 ohm Initial magnetic field = 8.48 T…

Answered: A circular loop of wire with radius…

University Physics Volume 2

18th Edition

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Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 70AP: A circular loop of wire of radius 10 cm is mounted on a vertical shaft and rotated at a frequency of...

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The conducting rod shown in the accompanying figure moves along parallel metal rails that are 25-cm apart. The system is in a uniform magnetic field of strength 0.75 T, which is directed into the page. The resistances of the rod and the rails are negligible, but the section PQ has a resistance of 0.25 . (a) What is the emf (including its sense) induced in the rod when it is moving to tire right with a speed of 5.0 m/s? (b) What force is required to keep the rod moving at this speed? (c) What is the rate at which work is done by this force? (d) What is the power dissipated in the resistor?
The accompanying figure shows a metal disk of inner radius r1 and other radius r2 rotating at an angular velocity while in a uniform magnetic field directed parallel to the rotational axis. The brush leads of voltmeter are connected to the dark's inner and outer surfaces as shown. What is the reading of the voltmeter ?
The magnetic flux through the loop shown in the accompanying figure varies with time according to m=2.00e3tsin(120t) , where m is in milliwebers. What are the direction and magnitude of the current through the 5.00 resistor at (a) t= 0; (b) t=2.17102 s and (c)t=3.00 s?
What is the magnetic field at P due to the current I in the wire shown?
Consider the disk in the previous problem. Calculate tlie magnetic field at a point on its central axis that is a distance y above tlie disk,
A square loop of side 2 cm is placed 1 cm from a long wire carrying a current that varies with time at a constant rate of 3 A/s as shown below. (a) Use Ampere’s law and find the magnetic field as a function of time from the current in the wire. (b) Determine the magnetic flux through the loop. (c) If the loop has a resistance of 3 how much induced current flows in the loop?
The accompanying figure shows a flat, infinitely long sheet of width a that carries a current I uniformly distributed across it. Find the magnetic field at the point P, which is in the plane of the sheet and at a distance x from one edge. Test your result for the limit a ? 0.
Consider the axial magnetic field Bv=0IR2/2(y2+R2)3/2 of the circular current loop shown below. (a) Evaluate aaBydy Also show that limaaaBydy=0I (b) Can you deduce this limit without evaluating the integral? (Hint: See the accompanying figure.)
A circular loop of wire of radius 10 cm is mounted on a vertical shaft and rotated at a frequency of 5 cycles per second in a region of uniform magnetic field of 2 Gauss perpendicular to the axis of rotation, (a) Find an expression for the time-dependent flux through the ring, (b) Determine the time-dependent current through the ring if it has a resistance of 10
An electron moving with a velocity v=(4.0i+3.0j+2.0k)106m/s enters a region where there is a uniform electric field and a uniform magnetic field. The magnetic field is given by v=(1.0i2.0j+4.0k)102T. If the electron travels through a region without being deflected, what is the electric field?
Two flat, circular coils, each with a radius R and wound with JV turns, ace mounted along the same axis so that they are parallel a distance d apart. What is the magnetic field at the midpoint of the common axis if a current I flows in the same direction through each coil?
A circular loop of radius R carries a current I. At what distance along the axis of the loop is the magnetic field one- half its value at the center of the loop?

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