Advertisements
Advertisements
प्रश्न
Show on a graph, the variation of resistivity with temperature for a typical semiconductor.
उत्तर
The following curve shows the variation of resistivity with temperature for a typical semiconductor.
This is because, for a semiconductor, resistivity decreases rapidly with increasing temperature.
APPEARS IN
संबंधित प्रश्न
With the help of neat labelled circuit diagram explain the working of half wave rectifier using semiconductor diode. Draw the input and output waveforms.
When a forward bias is applied to a p-n junction, it ______.
With reference to semiconductor devices, define a p-type semiconductor and a Zener diode.
With reference to a semiconductor diode, what is meant by:
(i) Forward bias
(ii) Reverse bias
(iii) Depletion region
Answer the following question.
Why photodiodes are required to operate in reverse bias? Explain.
The current through an ideal PN-junction shown in the following circuit diagram will be:
In forward bias width of potential barrier in a p + n junction diode
In Figure, Vo is the potential barrier across a p-n junction, when no battery is connected across the junction ______.
A Zener of power rating 1 W is to be used as a voltage regulator. If zener has a breakdown of 5 V and it has to regulate voltage which fluctuated between 3 V and 7 V, what should be the value of Rs for safe operation (Figure)?
Draw a labelled characteristic curve (l-V graph) for a semiconductor diode during forward bias.
