In a CE-transistor feed back oscillator circuit, the phase difference between input and output signal is

In a CE-transistor feed back oscillator circuit, the phase difference between input and output signal is
  1. $\pi$
  2. $\frac{\pi}{4}$
  3. $\frac{\pi}{2}$
  4. $0$

Solution

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Asked in: AP EAMCET 2017 (24 Apr Shift 2)

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