A step-up transformer has 300 turns on its primary coil and 90000 turns on its secondary coil If the current is flowing through the secondary is 5 amps what is the current flowing in the primary?

1 answer

1084953

2026-04-24 15:15

150 amperes

Answer

Your transformer's primary current will be:

Is = Ip (Ns/Np) = 5 (90 000/300) = 5 x 300 = 1500 A

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