A uniform magnetic field points everywhere out of the page but with a magnitude that changes in time according to B = ct. (a) Find the maximum induced current through a circular conducting loop of radius R and resistance ro and (b) determine the direction of the induced current through the loop.
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- Chapter 30, Problem 023SN The figure shows two parallel loops of wire having a common axis. The smaller loop (radius r) is above the larger loop (radius R) by a distance x>>R. Consequently, the magnetic field due to the counterclockwise current / in the larger loop is nearly constant throughout the smaller loop. Suppose that x is increasing at the constant rate dx/dt = v. (a) Find an expression for the magnetic flux through the area of the smaller loop as a function of x. In the smaller loop, find (b) an expression for the magnitude of the induced emf and (c) the direction of the induced current. R. (a) ? ENI (ь) 2 Edit (c)An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 1.60 T field with his fingers pointing in the direction of the field. Find the magnitude of the average emf (in V) induced in his wedding ring, given its diameter is 2.26 cm and assuming it takes 0.210 s to move it into the field.a square conductor loop in a uniform magnetic field B, that decreases with time as follows: B = 0.603 – 1.47 t. The magnetic field B is in tesla and time t in seconds. The magnetic field is directed inward and perpendicular to the plane of the loop with sides 1.99 m. Only half of the loop is in the magnetic field. What is the magnitude of the induced emf in the loop?
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