Advertisements
Advertisements
प्रश्न
Which of the following oxides behaves as conductor or insulator depending upon temperature?
पर्याय
TiO
SiO2
TiO3
MgO
Advertisements
उत्तर
TiO3
Explanation:
TiO3 behaves as conductor or insulator depending on temperature because of variation of energy gap between valence band and conduction band with the variation of temperature.
APPEARS IN
संबंधित प्रश्न
In a semiconductor, acceptor impurity is.................................
- antimony
- indium
- phosphorous
- arsenic
What type of semiconductor is obtained when silicon is doped with boron?
To prepare n-type semiconductor the impurity to be added to silicon should have the following number of valence electrons:
(a) 2
(b) 3
(c) 4
(d) 5
When a hole is produced in P-type semiconductor, there is _______.
Give reasons : Silicon on doping with Phosphorous forms n-type semiconductor.
A pure semiconductor is ________.
(a) an extrinsic semiconductor
(b) an intrinsic semiconductor
(c) p-type semiconductor
(d) n-type semiconductor
Distinguish between p-type and n-type semiconductors.
What is the ratio of octahedral holes to the number of anions in hexagonal closed packed structure?
A group of 14 elements is converted into n-type semiconductor by doping it with:
Group 14 element is converted to p-type semiconductor by doping it with:
In n-type semiconductor, current is carried by ____________.
To get n-type of semiconductor, germanium should be doped with ____________.
p-type semiconductors are formed when Si or Ge are doped with ____________.
To get a n-type semiconductor from silicon, it should be doped with a substance with valence ______.
A perfect crystal of silicon (Figure) is doped with some elements as given in the options. Which of these options show n-type semiconductors?
Explain why does conductivity of germanium crystals increase on doping with galium.
