Download App

Electronics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectronics1 Mark
Question
For a given plate-voltage, the plate current in a triode is maximum when the potential of(a) The grid is positive and plate is negative(b) The grid is positive and plate is positive(c) The grid is zero and plate is positive(d) The grid is negative and plate is positive
   
   
✓

Answer

(b) The grid is positive and plate is positive

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 Electronics→Electronics — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

The drift current in a p-ri junction is:
  1. From the n-side to the p-side.
  2. From the p-side to the n-side.
  3. From the n-side to the p-side if the junction is forward-biased and in the opposite direction if it is reverse-biased.
  4. From the p-side to the n-side if the junction is forward-biased and in the opposite direction if it is reverse-biased.
→
Two identically charged spheres when suspended by strings of equal lengths make an angle of $30^\circ$ with each other. The angle remains the same when they are immersed in a liquid of density less than the density of the material of the spheres. Choose the correct option
→
If a charged particle projected in a gravity-free room deflects:
  1. There must be an electric field.
  2. There must be a magnetic field.
  3. Both fields cannot be zero.
  4. Both fields can be non zero.
→
A solid sphere, a hollow sphere and a disc, all having same mass and radius, are placed at the top of a smooth incline and released. Least time will be taken in reaching the bottom by:
  1. The solid sphere.
  2. The hollow sphere.
  3. The disc.
  4. All will take same time.
→
Consider the following statements A and B and identify the correct choice of the given answers
A : The width of the depletion layer in a P-N junction diode increases in forwards bias
B : In an intrinsic semiconductor the fermi energy level is exactly in the middle of the forbidden gap(a) A is true and B is false(b) Both A and B are false(c) A is false and B is true(d) Both A and B are true
   
   
→
Calculate the equivalent resistance between $A$ and $B$
→
A sinusoidal voltage $\text{V}=200\sin314\text{t}$ is applied to a $10\Omega$ resistor. Find the peak voltage.
→
Which state of triply ionised Baryllium $(Be^{+++})$ has the same orbital radius as that of the ground state of hydrogen
→
If the decay or disintegration constant of a radioactive substance is $\lambda ,$ then its half life and mean life are respectively
→
An ideal transformer has 500 and 5000 turn in primary and secondary windings respectively. If the primary voltage is connected to a 6V battery then the secondary voltage is(a) 0(b) 60 V(c) 0.6 V(d) 6.0 V
       
→