When the plate voltage of a triode is 150 V, its cut-ff voltage is `-5V`. On increasing the plate voltate to 200V, the cut-off voltage can be

The peak voltage of an ac supply is 440 V, then its rms voltage is

The peak voltage of an ac supply is 440 V, then its rms voltage 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

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 .

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 .

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 a diode vaccum tube, the plate currentis 5 mA, when the plate voltage is 160 V, a grid is introduced between the plate and cathode and a voltage of -2V is applied to it. The plate current will becomes (if g_(m) = 5 xx 10^(-3)Omega^(-1)

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 .