Download App

Semiconductor Electronic: Material, Devices And Simple Circuits — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsSemiconductor Electronic: Material, Devices And Simple Circuits1 Mark
MCQ
In semiconductors, at room temperature:
  • A
    The conduction band is completely empty.
  • B
    The valence band is partially empty and the conduction band is partially filled.
  • ✓
    The valence band is completely filled and the conduction band is partially filled.
  • D
    The valence band is completely filled.
✓

Answer

Correct option: C.
The valence band is completely filled and the conduction band is partially filled.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Semiconductor Electronic: Material, Devices And Simple Circuits→Semiconductor Electronic: Material, Devices And Simple Circuits — all question types→Physics STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

When a charged body is brought near an electroscope:
→
Band spectrum is characteristic of
→
The barrier potential of a $p-n$ junction depends on 

$(1)$ type of semiconductor material

$(2)$ amount of doping 

$(3)$ temperature

 Which one of the following is correct?

→
Assertion : An N-type semiconductor has a large number of electrons but still it is electrically neutral.
Reason : An N-type semiconductor is obtained by doping an intrinsic semiconductor with a pentavalent impurity.
→
When neutrons are bombarded on nucleus of $92^{ U ^{235}}$, the number of emitted neutrons will be
→
The spectral series of the hydrogen spectrum that lies in the ultraviolet region is the
→
Three long, straight parallel wires carrying current, are arranged as shown in figure. The force experienced by a $25\, cm$ length of wire $C$ is
→
If you are provided three resistances $2  \,\Omega$, $3  \,\Omega$ and $6 \,\Omega$. How will you connect them so as to obtain the equivalent resistance of $4  \,\Omega$
→
Two conductors made of the same material are connected across a common potential difference. Conductor $A$ has twice the diameter and twice the length of conductor $B$. The power delivered to the two conductors ${P_A}$ and ${P_B}$ respectively is such that ${P_A}/{P_B}$ equals to
→
A galvanometer having coil resistance $10 \ \Omega$ shows a full scale deflection for a current of $3 \mathrm{~mA}$. For it to measure a current of $8 \mathrm{~A}$, the value of the shunt should be:
→