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A coll of wire is connected to a power supply, and a current runs in the coll. A single loop of wire is located near the coll, with its axis on the same line as the axis of the coll. The radius of the loop is 4 cm. At time ty the magnetic field at the center of the loop, due to the col, is 0.9 T, in the direction shown in the diagram; the current in the coll is constant. (a) What is the absolute value of the magnetic flux through the loop at time t;? Tm? (b) What approximations or assumptions did you make in calculating your answer to part (a)? Check all that apply. Omag O The magnetic field due to the coil is uniform in direction over the area of the loop. O The magnetic field outside the loop is zero. O The magnitude of the magnetic field due to the colit is uniform over the area of the loop. (e) What is the direction of the "curly" electric field inside the wire of the loop at time t? (Remember that at this time the current in the coll is constant.) E0 At a later time t, the current in the coil begins to decrease. (d) Now what is the direction of the "curly" electric field in the loop7 counter-dockwise v At time ty the rate of change of the magnetic field at the center of the loop, due to the coil, is -0.22 T/s. (e) At this time, what is the absolute value of the rate of change of the magnetic flux through the loop? Idmag/at - T m/s (1) At this time, what is the absolute value of the emf in the loop? jemfi - (0) What is the magnitude of the electric field at location P, which is inside the wire? V/m (h) Now the wire loop is removed. Everything else remains as it was at time ty; the magnetic field is still changing at the same rate. What is the magnitude of the electric field at location P? 17 - V/m

A coll of wire is connected to a power supply, and a current runs in the coll. A single loop of wire is located near the coll, with its axis on the same line as the axis of the coll. The radius of the loop is 4 cm. At time ty the magnetic field at the center of the loop, due to the col, is 0.9 T, in the direction shown in the diagram; the current in the coll is constant. (a) What is the absolute value of the magnetic flux through the loop at time t;? Tm? (b) What approximations or assumptions did you make in calculating your answer to part (a)? Check all that apply. Omag O The magnetic field due to the coil is uniform in direction over the area of the loop. O The magnetic field outside the loop is zero. O The magnitude of the magnetic field due to the colit is uniform over the area of the loop. (e) What is the direction of the "curly" electric field inside the wire of the loop at time t? (Remember that at this time the current in the coll is constant.) E0 At a later time t, the current in the coil begins to decrease. (d) Now what is the direction of the "curly" electric field in the loop7 counter-dockwise v At time ty the rate of change of the magnetic field at the center of the loop, due to the coil, is -0.22 T/s. (e) At this time, what is the absolute value of the rate of change of the magnetic flux through the loop? Idmag/at - T m/s (1) At this time, what is the absolute value of the emf in the loop? jemfi - (0) What is the magnitude of the electric field at location P, which is inside the wire? V/m (h) Now the wire loop is removed. Everything else remains as it was at time ty; the magnetic field is still changing at the same rate. What is the magnitude of the electric field at location P? 17 - V/m

Principles of Physics: A Calculus-Based Text
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter22: Magnetic Forces And Magnetic Fields
Section: Chapter Questions
Problem 51P
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please do part a, e and f.

A coil of wire is connected to a power supply, and a current runs in the coil. A single loop of wire is located near the coil, with its axis on the same line as the axis of the coil. The radius of the loop is 4 cm. Per upply col At time t, the magnetic field at the center of the loop, due to the coil, is 0.9 T, in the direction shown in the diagram; the current in the coil is constant. (a) What is the absolute value of the magnetic flux through the loop at time t1? dmag - Tm? (b) What approximations or assumptions did you make in calculating your answer part (a)? Check all that apply. O The magnetic field due to the coil is uniform in direction over the area of the loop. O The magnetic field outside the loop is zero. V The magnitude of the magnetic field due to the coil is uniform over the area of the loop. (c) What is the direction of the "curly" electric field inside the wire of the loop at time tį? (Remember that at this time the current in the coil is constant.) E=0 At a later time tz, the current in the coil begins to decrease. (d) Now what is the direction of the "curly" electric field in the loop? counter-clockwise V At time t2 the rate of change of the magnetic field at the center of the loop, due to the coil, is -0.22 T/s. (e) At this time, what is the absolute value of the rate of change of the magnetic flux through the loop? Idemag/dt| = Tm/s (f) At this time, what is the absolute value of the emf in the loop? Jemf = (9) What is the magnitude of the electric field at location P, which is inside the wire? V/m (h) Now the wire loop is removed. Everything else remains as it was at time t2; the magnetic field is still changing at the same rate. What is the magnitude of the electric field at location P? V/m Additional Materials O eBook
Transcribed Image Text:A coil of wire is connected to a power supply, and a current runs in the coil. A single loop of wire is located near the coil, with its axis on the same line as the axis of the coil. The radius of the loop is 4 cm. Per upply col At time t, the magnetic field at the center of the loop, due to the coil, is 0.9 T, in the direction shown in the diagram; the current in the coil is constant. (a) What is the absolute value of the magnetic flux through the loop at time t1? dmag - Tm? (b) What approximations or assumptions did you make in calculating your answer part (a)? Check all that apply. O The magnetic field due to the coil is uniform in direction over the area of the loop. O The magnetic field outside the loop is zero. V The magnitude of the magnetic field due to the coil is uniform over the area of the loop. (c) What is the direction of the "curly" electric field inside the wire of the loop at time tį? (Remember that at this time the current in the coil is constant.) E=0 At a later time tz, the current in the coil begins to decrease. (d) Now what is the direction of the "curly" electric field in the loop? counter-clockwise V At time t2 the rate of change of the magnetic field at the center of the loop, due to the coil, is -0.22 T/s. (e) At this time, what is the absolute value of the rate of change of the magnetic flux through the loop? Idemag/dt| = Tm/s (f) At this time, what is the absolute value of the emf in the loop? Jemf = (9) What is the magnitude of the electric field at location P, which is inside the wire? V/m (h) Now the wire loop is removed. Everything else remains as it was at time t2; the magnetic field is still changing at the same rate. What is the magnitude of the electric field at location P? V/m Additional Materials O eBook
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