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

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asked Apr 22, 2018 225k views

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Karthik Bhandary · Answer 1 · 2018-04-27T01:29:58+0000

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 thetransformer. ... Alternating current is used because transformers can increase or decrease voltage.

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

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