Homework Answers
The magnetic field at the center of the large loop is
or
the flux through the small loop is magnetic fied times area of the small loop
the magntitude of emf induced is
which is constant.
If the current in the large loop changes from counterclockwise direction to clockwise direction, then the emf induced in the small loop is in the counterclockwise direction.
b) The plots are shown below
FLux vs t is shown below
The emf vs t is shown below
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9. A small circular loop of area A is placed in the plane of, and concentric...
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A circular loop (r = 0.10m) is placed in a uniform magnetic field of magnitude B = 2.0T, where the face of the loop is perpendicular to the direction of the magnetic field a) What is the flux through the loop. b) the loop is rotated 90 degree in 30. What is the final flux? c) What is the induced emf during rotation?
a circular loop of radius 0.78 m is placed in a region where there is a...
a
circular loop of radius 0.78 m is placed in a region where there is
a magnetic field of strength 5 t directed perpendicularly out of
the plane of loop if the loop is rotated by 90 deg in 0.1 seconds
so that the plane of the loop is parallel to the field calculate
the average emf induced in the loop
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A small circular loop of area 3.0 cm^2 is placed in the plane of, and concentric with, a large circular loop of radius 1.0 m. The current in the large loop is changed uniformly from 200.0 A, counterclockwise, to -200.0 A, clockwise, in a time of 1.0 s, beginning at t = 0.0 s. What emf is induced in the small loop at t = 0.5 s? Take emf as positive if counterclockwise. Note that since the inner loop is...
A conducting rectangular loop with small gap with dimensions I and h is placed symmetrical with respect to y axis and is being rotated by y axis with constant angular velocity ??. Its initial position is parallel to xy plane. a) Find induced emf if the magnetic flux density is given as B- Boe. b) Find induced emf if the magnetic flux density is given as B sin(wot) ex 5)
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PROBLEM-2 A plane circular loop of conducting wire of radius r=14cm which possesses N=250 turns, is placed in xy-plane and normal to a uniform magnetic field B in +z-direction. The magnetic field-strength B is given by B=6t+3 (T). a)What is the magnetic flux in the circular loop at t=10s? (3pts) wb Upload your answer. Choose File No file chosen b)What is the electromotive force appeared in the circular loop at t=10s? (4pts) emf= V Upload your answer. Choose File No...
A circular loop (r = 0.10m) is placed in a uniform magnetic field of magnitude B = 2.0T, where the face of the loop is perpendicular to the direction of the magnetic field a) What is the flux through the loop. b) the loop is rotated 90 degree in 30. What is the final flux? c) What is the induced emf during rotation?
a
circular loop of radius 0.78 m is placed in a region where there is
a magnetic field of strength 5 t directed perpendicularly out of
the plane of loop if the loop is rotated by 90 deg in 0.1 seconds
so that the plane of the loop is parallel to the field calculate
the average emf induced in the loop
A circular loop of radius 0.78 m is placed in a region where there is a magnetic field of...
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