In the discussion of motional emf (Sect. 7.1.3) I assumed that the wire loop (Fig. 7.10) has
Question:
In the discussion of motional emf (Sect. 7.1.3) I assumed that the wire loop (Fig. 7.10) has a resistance R; the current generated is then I = vBh/R. But what if the wire is made out of perfectly conducting material, so that R is zero? In that case the current is limited only by the back emf associated with the self-inductance L of the loop (which would ordinarily be negligible in comparison with I R). Show that in this r6gime the loop (mass m) executes simple harmonic motion, and find its frequency.
9 a d h
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simple harmonic motion, in physics, repetitive movement back and forth through an equilibrium, or central, position, so that the maximum displacement on one side of this position is equal to the maximum displacement on the other side. The time interval of each complete vibration is the same
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