Figure shows the self bias circuit for CE amplifier and its equivalent circuit. V_BB and R_B respectively are

Quiescent-operation means operation when ac signal is not applied.

Stable Q point is the advantage of self bias circuit.

Capacitor offers infinite impedance to DC.

Since load voltage is zero, the current is zero and diode is open-circuited. If load was open-circuited, load voltage would be about 9 V.

Z_i = 25 + 10^-6 x 0.99 x 10⁴ ⟹ 25

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V_s = 10 cos ?t,

Let I be the current, then P = I² R

I is the rms current.

⟹ P_rms = I² R ⟹ 4 ⟹ I² = 4 ⟹ I = 2A.

Total power drawn = V_m I_m cos ?

⟹ 10 x 2 cos ? = 10 cos ?

Total power cannot be determine until value of R = 12 ? is given.

All voltages and currents have reverse polarity.

When a sinusoidal voltage is clipped on both sides it resembles a square wave.

As we know, Gain with feedback

A = - 1000, ? = -0.1 .

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