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Generating current with changing magnetic field near wire
Device changing voltage via electromagnetic induction in AC
AC creates changing flux; DC flux constant, no induction
Increases magnetic flux linking the coils
V1V2=N1N2\frac{V_1}{V_2} = \frac{N_1}{N_2}V2V1=N2N1
N2>N1N_2 > N_1N2>N1 (more turns on secondary)
N2<N1N_2 < N_1N2<N1 (fewer turns on secondary)
P1=P2P_1 = P_2P1=P2 or V1I1=V2I2V_1I_1 = V_2I_2V1I1=V2I2
Down proportionally (power conserved)
98-99%
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