1.

The linear portions of the characteristic curves of a triode valve give the following readings                          [Roorkee 1985] \[{{V}_{g}}\](volt) 0 ? 2 ? 4 ? 6 \[{{I}_{p}}(mA)\] for \[{{V}_{p}}=150\] volts 15 12.5 10 7.5 \[{{I}_{p}}(mA)\] for \[{{V}_{p}}=120\] volts 10 7.5 5 2.5 The plate resistance is

A.            2000 ohms                            
B.            4000 ohms
C.            8000 ohms                            
D.            6000 ohms
Answer» E.


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