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The load impedance ZL of a CE amplifier has R and L in series. The phase difference between output and input will be

180°
0
more than 90° but less than 180°
more than 180° but less than 270°

Correct Answer: more than 180° but less than 270°

Explanation:

It is 180° for purely resistive load and between 180° and 270° for R-L load.

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