MCQ
In a junction diode, the holes are due to
  • A
    Protons
  • B
    Neutrons
  • C
    Extra electrons
  • Missing of electrons

Answer

Correct option: D.
Missing of electrons
Missing of electrons

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

Similar questions

If a bar magnet of magnetic moment M is freely suspended in a uniform magnetic field of strength B, the work done in rotating the magnet through an angle θ is
The ratio of angle of minimum deviation of a prism in air and when dipped in water will be ($_a{\mu _g} = 3/2$ and $_a{\mu _w} = 4/3$)
Which of the following pairs is an isobar
Adielectric slab is inserted between the plates of an isolated charged capacitor. Which of the following quantities will remain the same?
In the circuit shown below $C_1=10 \,\mu F , C_2=C_3=20 \,\mu F$, and $C_4=40 \,\mu F$. If the charge on $C_1$ is $20 \,\mu C$ then potential difference between $X$ and $Y$ is ......... $V$
Two identical charged spheres are suspended by strings of equal lengths. The strings make an angle of $30^o$ with each other. When suspended in a liquid of density $1\, g\, cm^{-3}$, the angle remains the same. If density of the material of the sphere is $4/3\, g\, cm^{-3}$, the dielectric constant of the liquid is
Television signals on earth cannot be received at distances greater than 100 km from the transmission station. The reason behind this is that
The nature of binding for a crystal with alternate and evenly spaced positive and negative ions is
Constantan wire is used in making standard resistances because its.
A monochromatic beam of light falls on YDSE apparatus at some angle (say q) as shown in figure. A thin sheet of glass is inserted in front of the lower slit $S_2$. The central bright fringe (path difference = 0) will be obtained