MCQ
The resistivity of a semiconductor depends upon
  • A
    Size of the atom
  • The pature of atoms
  • C
    Type of bonds
  • D
    Size and types of motion

Answer

Correct option: B.
The pature of atoms
b
(b)

The resistivity of a semiconductor depends mainly on the kind of atoms and the valence electrons they possess.

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

When a particle moves in a uniform circular motion. It has
Penetrating power of $X$-rays increases with increase in
Two balls of masses $m$ each are moving at right angle to each other with velocities $6 \,m / s$ and $8 \,m / s$ respectively. If collision between them is perfectly inelastic, the velocity of combined mass is ......... $m / s$
An engine giving whistle is moving towards a stationary observer with $110\,m/s$ speed. What will be the ratio of the frequency of the whistle heard when the engine is approaching and receding from the observer? (the speed of sound is $330\,m/s$ )
$A$ particle of mass $m$ is released from $a$ height $H$ on $a$ smooth curved surface which ends into a vertical loop of radius $R$, as shown If $\theta$ is instantaneous angle which the line joining the particle and the centre of the loop makes with the vertical, then identify the correct statement $(s)$ related to the normal reaction $N$ between the block and the surface
A long cylindrical vessel is half filled with a liquid. When the vessel is rotated about its own vertical axis, the liquid rises up near the wall. If the radius of vessel is $5\,cm$ and its rotational speed is $2$ rotations per second, then the difference in the heights between the centre and the sides, in $cm,$ will be
$A$ wire of length $L$ and $3$ identical cells of negligible internal resistances are connected in series. Due to the current, the temperature of the wire is raised by $\Delta T$ in time $t. N$ number of similar cells is now connected in series with a wire of the same material and cross section but of length $2L$. The temperature of the wire is raised by the same amount $\Delta T$ in the same time $t$. The value of $N$ is :
The peak voltage in the output of a half-wave diode rectifier fed with a sinusoidal signal without filter is $10 V.$ The $dc $ component of the output voltage is
Two waves of same frequency and intensity superimpose with each other in opposite phases, then after superposition the
A frictionless wire $AB$ is fixed on a sphere of radius $R$. A very small spherical ball slips on this wire. The time taken by this ball to slip from $A $ to $B$ is