The plate resistance of a triode is 7.7 ...

The plate resistance of a triode is `7.7 kOmega`, and the transconductanace is 2.6 millimho. If only the plate voltage is increased by 50 V, what is the increase in the plate current ? What change in grid voltage will now bring the plate current to its former value ?

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The correct Answer is:

`6.5 mA, 2.5 V`

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