Amplification factor of a triode is 10. When the plate potential … - Vidyadip

Question

Amplification factor of a triode is 10. When the plate potential is 200 volt and grid potential is – 4 volt, then the plate current of 4mA is observed. If plate potential is changed to 160 volt and grid potential is kept at – 7 volt, then the plate current will be(a) 1.69 mA(b) 3.95 mA(c) 2.87 mA(d) 7.02 mA

✓

Answer

(a) 1.69 mA

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 mass of a neutron is:

Activity of radioactive element decreased to one third of original activity $R_o$ in $9$ years. After further $9$ years, its activity will be

The simplest type of AC voltage or current is the one which.

A 100 mH coil carries a current of 1 ampere. Energy stored in its magnetic field is(a) 0.5 J(b) 1 J(c) 0.05 J (d) 0.1 J

The half-life of radioactive Polonium (Po) is 138.6 days. For ten lakh Polonium atoms, the number of disintegrations in 24 hours is (a) 2000 (b) 3000(c) 4000 (d) 5000

For the network shown in the figure the value of the current $i$ is

Assertion : Soft iron is used as a core of transformer.
Reason : Area of hysteresis is loop for soft iron is small.(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.

On increasing the number of electrons striking the anode of an X-ray tube, which one of the following parameters of the resulting X-rays would increase(a) Penetration power(b) Frequency(c) Wavelength(d) Intensity

Consider four circuits shown in the figure below. In which circuit power dissipated is greatest $($Neglect the internal resistance of the power supply$)$

Comparing real and virtual images, we may say that: