List of top Networks, Signals and Systems Questions on AC Circuits

A simplified small-signal equivalent circuit of a BJT-based amplifier is given below.
The small-signal voltage gain \( \frac{V_o}{V_S} \) (in V/V) is _________.

Let \( i_C, i_L, \) and \( i_R \) be the currents flowing through the capacitor, inductor, and resistor, respectively, in the circuit given below. The AC admittances are given in Siemens (S).
Which one of the following is TRUE?

The ideal BJT in the circuit given below is biased in the active region with a \( \beta \) of 100. If \( I_B \) is 10 µA, then \( V_{CE} \) (in Volts, rounded off to two decimal places) is _________.

A 3-input majority logic gate has inputs \( X \), \( Y \), and \( Z \). The output \( F \) of the gate is logic ‘1’ if two or more of the inputs are logic ‘1’. The output \( F \) is logic ‘0’ if two or more of the inputs are logic ‘0’.
Which one of the following options is a Boolean expression of the output \( F \)?