Advertisements
Advertisements
Question
Show on a graph, the variation of resistivity with temperature for a typical semiconductor.
Advertisements
Solution
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
RELATED QUESTIONS
In the following diagram 'S' is a semiconductor. Would you increase or decrease the value of R to keep the reading of the ammeter A constant when S is heated? Give reason for your answer.

In the following diagram, is the junction diode forward biased or reverse biased ?
In semiconductor physics, what is meant by:
(i) rectifier
(ii) an amplifier
(iii) an oscillator
Diffusion in a p-n junction is due to ______.
We use alloys for making standard resistors because they have ____________.
In forward bias width of potential barrier in a p + n junction diode
Use a transistor as an amplition
Write the property of a junction diode which makes it suitable for rectification of ac voltages.
Describe the following term briefly:
breakdown voltage in reverse biasing
A full wave rectifier circuit diodes (D1) and (D2) is shown in the figure. If input supply voltage Vin = 220 sin (100 πt) volt, then at t = 15 ms.

