These drawings illustrate various situations in which a magnetic field is directed out of the screen, and there is a corresponding magnetic flux through a single loop. In drawings (a) through (d), the magnetic field has a constant magnitude of B=38.7mT. The radius and the resistance of the ring in drawings (c) and (e) are 9.3cm and 7.6Ω, respectively. In drawings (e) and (f), the rate at which the magnetic field is either increasing or decreasing has magnitude ΔB/Δt=11mT/s. c. In drawing (c), the circular conductive loop, which is in the plane of the screen, is entering the region of non-zero magnetic field with a speed of 0.50m/s. Determine the magnitude, in milliamperes, of the average induced current during the interval from when the leading edge of the loop touches the boundary of that region until the entire ring is fully within it. d. If the speed of the moving conductive bar in drawing (d) is 1.2m/s, and its length is 2.47m, determine the magnitude, in millivolts, of the emf induced in the loop. f. In drawing (e), the conductive loop is stationary, and the magnetic field is increasing. Determine the magnitude, in milliamperes, of the induced current.
These drawings illustrate various situations in which a magnetic field is directed out of the screen, and there is a corresponding magnetic flux through a single loop. In drawings (a) through (d), the magnetic field has a constant magnitude of B=38.7mT. The radius and the resistance of the ring in drawings (c) and (e) are 9.3cm and 7.6Ω, respectively. In drawings (e) and (f), the rate at which the magnetic field is either increasing or decreasing has magnitude ΔB/Δt=11mT/s.
c. In drawing (c), the circular
d. If the speed of the moving conductive bar in drawing (d) is 1.2m/s, and its length is 2.47m, determine the magnitude, in millivolts, of the emf induced in the loop.
f. In drawing (e), the conductive loop is stationary, and the magnetic field is increasing. Determine the magnitude, in milliamperes, of the induced current.
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