A transformer is used to power a cell phone charging unit
A transformer is used to power a cell phone charging unit. If thetransformer has a primary/secondary turns ration of 40:1 and isconnected to a 120 V power source, what voltage is supplied to the charging unit? Show work.
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a transformer is used to power a cell phone charging unit if thetransformer has a primarysecondary turns ration of 401
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