Electric toothbrush rests on a stand

An electric toothbrush rests on a stand containing a 50-turn coil connected across the 120-V rms AC power line. Inside the brush handle is another coil whose induced current charges a 6-V battery. How many turns should this coil contain if its peak emf is to be 7.1 V?

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Physics: Electric toothbrush rests on a stand
Reference No:- TGS0752999
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