Home
Class 12
PHYSICS
A triode is operated in the liner region...

A triode is operated in the liner region of its characteristics. If the plate voltage is slightly increased, the dynamic plate resistance will

A

increase

B

decrease

C

remain almost the same

D

become zero

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CURRENT THROUGH GASES

    HC VERMA|Exercise Objective 2|7 Videos

  • ELECTRIC CURRENT THROUGH GASES

    HC VERMA|Exercise Exercise|23 Videos

  • ELECTRIC CURRENT THROUGH GASES

    HC VERMA|Exercise Short answer|10 Videos

  • ELECTRIC CURRENT IN CONDUCTORS

    HC VERMA|Exercise Exercises|84 Videos

  • ELECTRIC FIELD AND POTENTIAL

    HC VERMA|Exercise Exercises|75 Videos

Similar Questions

Explore conceptually related problems

When the diode shows saturated current, dynamic plate resistance is

Why is the linear portion of the triode characteristic chosen to operate the triode as an amplifier?

The plate resistance of a triode is 8 kOmega and the transconductance is 2.5 millimho . (a)If the plate voltage is increased by 48 V , and the grid voltage is kept constant, what will be the increase in the plate current? (b) With plate voltage kept constant at this increased value, how much should the grid voltage be decreased in order to bring the plate current back to its initial value?

If the forward voltage in a diode is increased the width of the depletion region

A triode valve operates at V_p = 225 V and V_g = - 0.5 V . The plate current remains unchanged if the plate voltage is increased to 250 V and the grid voltage is decreased to -2.5 V . Calculate the amplification factor.

The power delivered in the plate circuit of a diode is 1.0 W when the plate voltage is 36 V . Find the power delivered if the plate voltage is increased to 49 V . Assume Langmuir-Child equation to hold .

When the plate voltage applied to a diode value is changed from 40 V to 42 V , the plate current increases from 50 mA to 60 mA . Calculate the dynamic plate resistance at the operating condition.

A car moving at a speed of 36 km/hr is taking a turn on a circular road of radius 50 m. A small wooden plate is kept on the seat with its plane perpendicular to the radius of the circular road figure. A small bock of mass 100 g is kept on the seat which rests against the plate. The friction coefficient between the block and the plate is mu=0.58. a. Find the normal contact force exerted by the plate on the block. b. The plate is slowly turned so that the angle between the normal to the plate and the radius of the road slowly increases Find the angle at which the block will just start sliding on the plate.

A rectangular plate of sides a and b is suspended from a ceiling by two parallel strings of length L each in the figure. The separation between the strings is d. The plate is displaced slightly in its plane keeping the strings tight. Show that it will execute harmonic motion. Find the time period.

The current-voltage characteristic of an ideal p-n junction diode is given by i=i_0(e^eV//kT-1) where the drift current i_0 equals 10(mu)A .Take the temperature T to be 300K.(a)Find the voltage v_0 for which e^(eV//kT)=100 .One can neglect the term 1 for vlatages greater than this value (b)Find an expression of the dynamic resistance of the diode as a function of V for VgtV_0 .(c)Find the voltage for which the dynamic resistance is 2.0 (Omega)