Advertisements
Advertisements
प्रश्न
If a small voltage is applied to a p-n junction diode, how will the barrier potential be affected when it is (i) forward biased
Advertisements
उत्तर
If a small voltage is applied to a p–n junction diode in the forward bias, then the barrier potential decreases.
APPEARS IN
संबंधित प्रश्न
How is a Zener diode fabricated?
Explain with the help of a diagram, how depletion region and potential barrier are formed in a junction diode.
With what considerations in view, a photodiode is fabricated? State its working with the help of a suitable diagram.
Even though the current in the forward bias is known to be more than in the reverse bias, yet the photodiode works in reverse bias. What is the reason?
Briefly explain its working. Draw its V - I characteristics for two different intensities of illumination ?
Show the output waveforms (Y) for the following inputs A and B of (i) OR gate (ii) NAND gate ?
How does a light emitting diode (LED) work? Give two advantages of LED’s over the conventional incandescent lamps.
What is a solar cell?
Explain the three processes involved in the working of a solar cell.
For LED's to emit light in visible region of electromagnetic light, it should have energy band gap in the range of:
Draw the circuit diagram of an illuminated photodiode and its I-V characteristics.
