MCQ
One serious drawback of semi$-$conductor devices is:
  • A
    They do not last for long time.
  • B
    They are costly.
  • They cannot be used with high voltage.
  • D
    They pollute the environment.

Answer

Correct option: C.
They cannot be used with high voltage.

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

In case of a semiconductor, which of the following statement is wrong
Consider the following statements and select the correct option:
  1. In an external electric field, the positive and negative charges of a non$–$polar molecule are displaced in opposite directions.
  2. In non $–$polar molecules displacement stops when the external force on the constituent charges of the molecule is balanced by the restoring force.
  3. The non$–$polar molecule develops an induced dipole moment.
Zener diode acts as a/an
Six resistors of $3 \;\Omega$ each are connected along the sides of a hexagon and three resistors of $6\; \Omega$ each are connected along $A C, A D$ and $A E$ as shown in the figure. The equivalent resistance between $A$ and $B$ is equal to
The current carrying wire and the rod $AB$ are in the same plane. The rod moves parallel to the wire with a velocity $v$. Which one of the following statements is true about induced emf in the rod
A man can see upto $100 \,cm$ of the distant object. The power of the lens required to see far objects will be
Which of the following is used for the formation of thermistor?
One requires energy ${E_n}$ to remove a nucleon from a nucleus and an energy $'{E_e}'$ to remove an electron from the orbit of an atom. Then
For the Bohr's first orbit of circumference $2\pi r$, the de-Broglie wavelength of revolving electron will be
From the given transfer characteristic of a transistor in $CE$ configuration, the value of power gain of this configuration is $10^{ x }$, for $R_B=10\,k \Omega$, and $R _C=1\,k \Omega$. The value of $x$ is $.....$.