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Q.

The input signal given to a CE amplifier having a voltage gain of 150 is Vi = 2 cos (15t + 100). The corresponding output signal is

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a

300 cos (15t + 1900)

b

300 cos (15t + 900)

c

75 cos (15t + 100)

d

2 cos (15t + 900)

answer is A.

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Detailed Solution

As voltage gain is 150 output voltage will be increased to 150 times. In CE configuration input and output phase difference will be 1800. So correct output is  300 cos15t+1900
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