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6 February, 04:35

Why is output voltage from a transformer zero if the current in the primary coil is a direct current?

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  1. 6 February, 06:18
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    Explain why the output voltage from a transformer is zero if a direct current flow through the primary coil. Only an alternating current induces the voltage in the transformer ... Alternating current is used because transformers can increase or decrease voltage.
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