The amplification factor of a triode valve is 15. If the grid vol… - Vidyadip

MCQ

The amplification factor of a triode valve is 15. If the grid voltage is changed by 0.3 volt the change in plate voltage in order to keep the plate current constant (in volt) is

A
0.02
B
0.002
✓
4.5
D
5.0

✓

Answer

Correct option: C.

4.5

4.5

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→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

On heating a semiconductor

The subatomic particle that is emitted from a metal surface, when it is heated is a/an $........$:

The maximum intensity of fringes in Young's experiment is I. If one of the slit is closed, then the intensity at that place becomes $I_o$. Which of the following relation is true ?

Two circular coils $1$ and $2$ are made from the same wire but the radius of the $1^{st}$ coil is twice that of the $2^{nd}$ coil. What is the ratio of potential difference in volts should be applied across them so that the magnetic field at their centres is the same?

In a $p-$type semiconductor, the acceptor valence band is:

The $\mathrm{K}_\alpha$ X-ray emission line of tungsten occurs at λ = 0.021 nm. The energy difference between K and L levels in this atom is about

What is incorrect for current carrying solenoid

A coil, a capacitor and an $AC$ source of $rms$ voltage $24 \,V$ are connected in series. By varying the frequency of the source, a maximum $rms$ current of $6\,A$ is observed. If coil is connected to a battery of $emf$ $12 \,volt$ and internal resistance $4\,\Omega$, then current through it in steady state is......$A$

$10\ cm$ is a wavelength corresponding to the spectrum of:

The universal property of all substances is