ECA FOR READMIT

What is the primary function of a common emitter amplifier?

• To convert AC to DC

• To increase voltage

• To decrease current

• To filter signals

Which parameter is crucial for determining the performance of a hybrid pi model?

• Resistance

• Inductance

• Capacitance

• Voltage

What does the term 'output conductance' refer to in circuit analysis?

• The ability to conduct current

• The resistance to voltage changes

• The capacitance of the output

• The inductance in the circuit

In a circuit, what does a high frequency response indicate?

• Low impedance

• High capacitance

• High inductance

• Low resistance

What is the significance of the term 'junction capacitance'?

• It measures the voltage drop

• It influences the thermal stability

• It determines the power rating

• It affects the switching speed

Which component is primarily responsible for current amplification?

• Transistor

• Resistor

• Capacitor

• Inductor

What does the term 'input impedance' refer to?

• Inductance in the circuit

• Capacitance at the output

• Voltage drop across the load

• Resistance seen by the input source

In circuit theory, what does 'feedback' typically do?

• Reduces gain

• Stabilizes the output

• Decreases efficiency

• Increases noise

What is the output voltage of a common drain amplifier?

• It is determined by the input impedance.

• It is the difference between input and output currents.

• It is the product of input voltage and gain.

• It is equal to the input voltage.

Which component is primarily responsible for the output voltage in a common drain amplifier?

• Transistor

• Capacitor

• Resistor

• Inductor