Download App

Electronics — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsElectronics1 Mark
MCQ
Select the false statements from the following
  • A
    A diode can be used as a rectifier
  • B
    A triode cannot be used as a rectifier
  • ✓
    The current in a diode is always proportional to the applied voltage
  • D
    The linear portion of the $1- V$ characteristic of a triode is used for amplification without distortion
✓

Answer

Correct option: C.
The current in a diode is always proportional to the applied voltage
The current in a diode is always proportional to the applied 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

Explore more

More "MCQ" from Electronics→Electronics — all question types→JEE physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

The transistors provide good power amplification when they are used in
→
The displacement is given by $x=2 t^2+t+5$, the acceleration at $t=2 s$ is
→
A particle is executing S.H.M. If its amplitude is $2 m$ and periodic time 2 seconds, then the maximum velocity of the particle will be
→
Water rises in a capillary tube to a certain height such that the upward force due to surface tension is balanced by $75 \times 10^{-4} \mathrm{~N}$ force due to the weight of the liquid. If the surface tension of water is $6 \times 10^{-2} \mathrm{Nm}^{-1}$, the inner circumference of the capillary must be
→
The dimensions of pressure is equal to
→
A satellite which is geostationary in a particular orbit is taken to another orbit. Its distance from the centre of earth in new orbit is $2$ times that of the earlier orbit. The time period in the second orbit is
→
A student can distinctly see the object upto a distance $15 \mathrm{~cm}$. He wants to see the black board at a distance of $3 \mathrm{~m}$. Focal length and power of lens used respectively will be
→
Two plane mirrors are at right angles to each other. A man stands between them and combs his hair with his right hand. In how many of the images will he be seen using his right hand
→
At a certain instant of time the mass of a rocket going up vertically is $100\ kg$. If it is ejecting $5\ kg$ of gas per second at a speed of $400\ m / s$, the acceleration of the rocket would be (taking $g=10 \ m / s ^2$ )
→
A person can not see the objects clearly placed at a distance more than $40 \mathrm{~cm}$. He is advised to use a lens of power
→