Home
Class 12
PHYSICS
for a give a plate voltage , the plate c...

for a give a plate voltage , the plate currect in a triode cvalve is maximum when the potential of

A

the grid is positive and plate is negetive

B

the grid is zero and plate is positive

C

the grid is negative and plate is positive

D

the grid is positive and plate is positive

Text Solution

Verified by Experts

The correct Answer is:
D

in the currect option . The electrons by emitted are collected to the maximum by the in this case.
Promotional Banner

Topper's Solved these Questions

  • MODERN PHYSICS

    SUNIL BATRA (41 YEARS IITJEE PHYSICS)|Exercise MCQ (One Correct Answer|1 Videos
  • ELECTROSTATICS

    SUNIL BATRA (41 YEARS IITJEE PHYSICS)|Exercise Comprehension Based Questions|2 Videos
  • MOVING CHARGES AND MAGNETISM

    SUNIL BATRA (41 YEARS IITJEE PHYSICS)|Exercise MCQs(d )|1 Videos

Similar Questions

Explore conceptually related problems

The plate current in a triode valve is maximum when the potential of the grid is

In a vaccume diode, when the plate voltage is 40 V, the plate current is 10 mA. For a plate voltage of 160 V, the plate current is

In the circuit of a triode valve, there is no change in the plate current, when the plate potential is increased from 200 volt to 220 volt and the grid potential is decreased from -0.5 volt to -1.3 volt . The amplification factor of this valve is

In space charge limited region, the plate current in a diode is 10 mA for plate voltage 150 V . If the plate voltage is increased to 600 V , then the plate current will be

What is the plate current in a diode valve under the space charge limited operation, when the plate potential is 60 V? In a diode valve, the plate current is 320 mA, then the plate potential is 240 V.

For an electronic valve, the plate current I and plate voltage V in the space charge limited region are related as

The dynamic plate resistance of a triode valve is 10 kOmega . Find the change in the plate current if the plate voltage is changed from 200 V to 220 V .