In referring to figure "E" of the illustration, what statement is true concerning the functional purpose of the coupling transformer? Illustration EL-0075

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The transformer functions as a filter by removing the DC component from the varying DC input to produce an AC output shifted 90° from the input.

Answer

The transformer functions as a filter by removing the DC component from the varying DC input to produce an AC output shifted 180° from the input.

Answer

The transformer functions as a filter by removing the DC component from the varying DC input to produce an AC output in phase with the input.

Answer

The transformer functions as a voltage transformer by changing the magnitude of the peak-to- peak AC voltage at the output proportional to the turns ratio.

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