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A portable CD player requires 12 volts to operate. A transformer allows the device to be powered from a 120-volt outlet. If the primary has 500 turns, how many turns should the secondary have?
13 years ago

Answers

Elena
U1/U2 =N1/N2
N2 =N1•U2/U1 =500•12/120 = 50
13 years ago

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