The amplification factor of a triode is $20.$ If the grid potential is reduced by $0.2$ volt then to keep the plate current constant its plate voltage is to be increased by
  • A$10$ volt
  • B$4$ volt
  • C$40$ volt
  • D$100$ volt
[RPMT 1993, 95]
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    If the following input signal is sent through a $P N$-junction diode, then the output signal across $R$ will beImage
    View Solution
  • 2
    A transistor is used in common emitter mode as an amplifier. Then
    View Solution
  • 3
    The reverse biasing in a $P N$ junction diode
    View Solution
  • 4
    The plate resistance of a triode is $2.5 \times 10^4 \Omega$ and mutual conductance is $2 \times 10^{-3} mho$. What will be the value of amplification factor
    View Solution
  • 5
    Which one of the following statements is not correct
    View Solution
  • 6
    Two $P N$-junctions can be connected in series by three different methods as shown in the figure. If the potential difference in the junctions is the same, then the correct connections will beImage
    View Solution
  • 7
    $P$-type semiconductor is formed whenA. As impurity is mixed in $S i$B. $A$ Impurity is mixed in $S i$C. $B$ impurity is mixed in $G e$D. $P$ impurity is mixed in $G e$
    View Solution
  • 8
    A $G e$ specimen is doped with $A l$. The concentration of acceptor atoms is $\sim 10^{-}$atoms $/ m$. Given that the intrinsic concentration of electron hole pairs is $\sim 10^{19} / m ^3$, the concentration of electrons in the specimen is
    View Solution
  • 9
    The figure represents variation of triode parameter ( $\mu$ or $r$ or $g$ ) with the plate current. The correct variation of $\mu$ and $r$ are given, respectively by the curves
    Image
    View Solution
  • 10
    Which impurity is doped in $S i$ to form $N$-type semi-conductor?
    View Solution