The dynamic plate resistance of a triode valve is 10kΩ. Find the change in the plate current if the plate voltage is changed from 200V to 220V.
The dynamic plate resistance of a triode valve is 10kΩ. Find the change in the plate current if the plate voltage is changed from 200V to 220V.
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Dynamic Plate Resistance rp = 10KΩ = 104Ω
δIp = ?
δVp = 220 – 220 = 20V
δIp = (δVp/rp)/ Vg = constant.
= 20/104 = 0.002A = 2mA
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