Q1:

The correct form wave from for O/P $(V_O)$for the below network is.

Mention resistance value across which V₀ is determined

Q2:

The diodes and capacitors in the circuit shown are ideal. The voltage V(t) across the diode D1 is.

Q3:

In the circuit shown below. The knee current of the ideal zener diode is 10mA. To maintain 5V across R_L, the minimum value of R_L in $\Omega$ and the maximum power rating of the zener diode in mW, respectively are

Q4:

A voltage 1000 Sin wt volts is applied across yz. Assuming ideal diodes, the voltage measured across WX in volts is,

Q5:

In the circuit shown below, assume that the voltage drop across a forward biased diode is 0.7V. The thermal voltage V_t=KT/2=25mV. The small signal input V_i=V_pcos(wt) where V_p = 100mV

The ac output voltage V_ac is

Q6:

The wave shape of V₀ in fig is

Q7:

A voltage $1000\mathrm{Sin}\omega t$volts is applied across YZ. Assuming ideal diodes, the voltage measured across WX in volts is,

Q8:

Select the correct output $(V_C)$wave-shape for a given input $(V_i)$in the clamping network given below:

Q9:

In the circuit shown below. The knee current of the ideal zener diode is 10mA. To maintain 5V across R_L, the minimum value of R_L in $\Omega$ and the maximum power rating of the zener diode in mW, respectively are

Q10:

The 6V zener diode shown below has zero zener resistance and a knee current of 5mA. The minimum value of R. so that the voltage across if does not fall below 6V is.

Q11:

Consider the following rectifier circuits

1. Have – wave rectifier without filter.

2. Full – wave rectifier without filter.

3. Full – wave rectifier with series inductance filter.

4. Full – wave rectifier with capacitance filter.

The sequence of these rectifier circuits in decreasing order of their ripple factor is.

Q12:

Silicon diodes are less suitable for low voltage rectifier operation because.

Q13:

Consider the following statements

 A clamper circuit:

1. Adds or subtracts a dc voltage to or from a waveform

2. Does not change the shape of the waveform

3. Amplifies the waveform

Q14:

The PIV rating of the diodes used in power supply circuits are chosen by which one of the following criteria?

Q15:

The maximum efficiency of half-wave rectifier considering ideal diode?