Related InterviewSolutions

• Assuming the ideal diode, draw the output waveform for the circuit given in Fig.Explain the waveform.
• Draw the output waveform across the resistor (Fig.)
• Calculate the value of output voltage`V_(0)` and I if the Si diode and the Ge diode conduct at 0.7 V and 0.3V respectively, in the circuit given in Fig. If now Ge diode connections are reversed, what will be the new values of `V_(0)` and I.
• Why does the width of depletion layer of a p-n junction increase in reverse biasing?
• How does the width of the depletion layer of a p-n junction diode change with decrease in reverse bias?
• The V-I characteristics of silicon diode is shown in Fig. Calculate the diode resistance in `` forward bias at `V=+0.9V ` reverse bias `V=-3.0V`.
• What do the acronyms LASER and LED stands for? Name the factor which determines (i) frequency and (ii) intensity of light emitted by LED.
• In a transistor base is made thin and doped with little impurity atoms. Why?
• For the circuit shown in Fig., find the current flowing through the `1Omega` resistor. Assume that the two diode are ideal diode.
• Why is a photodide operated in reverse bias mode? Fig. shown reverse bias current, under different illuminating intensities `I_(1)I_(2),I_(3)` and `I_(4)` for a given photodiode. Average the intensities `I_(1), I_(2),I_(3)` and `I_(4)` in decreasing order of wavelength.