Asked by Alicia

A magnet is plunged into and out of a coil of wire 2 times per second. This induces 5 volts. If the number of coils in the wire is doubled from 100 to 200, and the original rate 2 times per second is kept the same, what will be the new voltage induced.
Answered by drwls
The voltage will double, since it is proportional to the number of coil windings.
Answered by rachel
305
Answered by jnani
no.of turns is directly proportional to v/t
therefore n1/n2=v1/v2*t2/t1
100/200=5/v2*2/2
v2=10
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