Q1. The change in collector emitter voltage from 6V to 9V causes increase in collector current from 6mA to 6.3mA. Determine the dynamic output resistance.

Q2. Negative feedback in an amplifier results in

Q3. A differential amplifier has an open circuit voltage gain of 100. The input signals are 3.35 V and 3.25 V. Determine the output voltage.

Q4. The forward resistance of the diode will be

Q5. For the non-inverting amplifier shown in Figure, \(R_1 = 1\: k \Omega \) and \(R_f = 10\: k \Omega \). Find the output voltage for an input voltage of 1 V.

Q6. Introducing a resistor in the emitter of a common emitter amplifier stabilizes the dc operating point against variations in

Q7. For a transistor the value of \(\beta \) is 50, then the value of current gain is

Q8. Current cannot flow to the ground through

Q9. An emitter follower has high input impedance because

Q10. A dc power supply has no-load voltage of 30 V,and a full-load voltage of 25 V at full-load current of 1 A.Its output resistance & load regulation ,respectively are