between when line LM and then KN are at the border of the magnetic field, a) What is the direction of the induced current? Explain your choice of direction. b) What is the EMF produced in the loop? c) What is the size of the induced current?
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The conducting loop of the shape shown in the figure is being pulled out of a constant
Bext magnetic field at a constant speed v. The left part of the loop KN is a semicircle of
radius a. The top and the bottom parts of the loop are equal, KL=NM=b. The
resistance per unit length of the conductor is r (Ω/m). During the time interval
between when line LM and then KN are at the border of the magnetic field,
a) What is the direction of
the induced current? Explain
your choice of direction.
b) What is the EMF
produced in the loop?
c) What is the size of the
induced current?
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