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In the circuit of a triode valve, there ...

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

A

15

B

20

C

25

D

35

Text Solution

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The correct Answer is:
C
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