A transformer can do all of the following except ........

General Science (CHSL) Physics

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A transformer can do all of the following except

step-up a/c voltage

step-up a/c current

step-up a/c power

step-down a/c voltage

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Explanation:

The power factor is a matter of interest and importance in the use of a.-c. machines. Its meaning and use may be learned from the following explanation: In a direct ... this equation is true only when the current is “in step” with the voltage, that is, ... One of the most common is the single-phase.