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The slope of plate characteristic of a vacuum tube diode for certain operating point on the curve is $10^{-3} \frac{ mA }{ V }.$ The plate resistance of the diode and its nature respectively
A triode has a mutual conductance of $2 \times 10^{-3} mho$ and an amplification factor of $50.$ The anode is connected through a resistance of $25 \times 10^3$ ohms to a $250$ volts supply. The voltage gain of this amplifier is
The ratio of thermionic currents $(I / I)$ for a metal when the temperature is slowly increased $T_0$ to $T$ as shown in figure. ( $I$ and $I$ are currents at $T$ and respectively). Then which one is correct?
A diode having potential difference $0.5 V$ across its junction which does not depend on current, is connected in series with resistance of $20 \Omega$ across source. If $0.1 A$ passes through resistance then what is the voltage of the source