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In a diode vaccum tube, the plate voltage is 160 V , a grid is introduced between the plate and the cathode and a voltage of -2 V is applied to it the plate current will become (if gm = 5* 10^-3ohms^-1)
Asked by jmorakhia | 24 Apr, 2019, 19:11: PM
answered-by-expert Expert Answer
Transconductance gm is defined as,  Ib = gm × Ec ...................(1)
 
where Ib is plate current and Ec is the grid voltage
 
Hence plate current = 5×10-3×2 = 10 mA
Answered by Thiyagarajan K | 24 Apr, 2019, 20:13: PM

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