The input signal given to a CE amplifier having a voltage gain of $$150$$ is $$Vi=2cos(15t+$$π$$3)$$ . The corresponding signal will be (in$$ $$output)

Correct option is 2300cos(15t+4π3)

Questions

The input signal given to a CE amplifier having a voltage gain of 150 is $V_{i} = 2 \cos (15 t + \frac{π}{3})$ . The corresponding signal will be (in output)

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2cos(15t+π3)

300cos(15t+4π3)

300cos(15t+π3)

75cos(15t+2π3)

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detailed solution

Correct option is B

Here, Input signal, Vi=2cos(15t+π3) and voltage gain, Av=150 As Av=V0Vi ∴ Out signal, V0=AvVi Since CE amplifier gives a phase difference of π(=1800) between input and output signals, ∴V0=150[2cos(15t+π3+π)]=300cos(15t+4π3)

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The input signal given to a CE amplifier having a voltage gain of 150 is Vi=2cos(15t+π3) . The corresponding signal will be (in output)

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The input signal given to a CE amplifier having a voltage gain of 150 is $V_{i} = 2 \cos (15 t + \frac{π}{3})$ . The corresponding signal will be (in output)