When plate voltage in diode valve is increased from $100$ volt to $150$ volt then plate current increases from $7.5\ mA$ to $12\  mA$. The dynamic plastic resistance will be
  • A$10 \ k \Omega$
  • B$11\  k \Omega$
  • C$15 \ k \Omega$
  • D$11.1 \ k \Omega$
[RPMT 2000]
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
    The value of amplification factor from the following graph will beImage
    View Solution
  • 2
    In a semiconductor the separation between conduction band and valence band is of the order of
    View Solution
  • 3
    A pure semiconductor behaves slightly as a conductor at
    View Solution
  • 4
    In the figure four plate characteristics of a triode at different grid voltage are shown. The difference between successive grid voltage is $1\ V.$ Which curve will have maximum grid voltage and what is its value?
    Image
    View Solution
  • 5
    The impurity atoms which are mixed with pure silicon to make a $P$ type semiconductor are those of
    View Solution
  • 6
    At zero Kelvin a piece of germanium
    View Solution
  • 7
    The output current versus time curve of a rectifier is shown in the figure. The average value of the output current in this case is
    Image
    View Solution
  • 8
    A $P N$-junction has a thickness of the order of
    View Solution
  • 9
    The state of the energy gained by valance electrons when the temperature is raised or when electric field is applied is called as
    View Solution
  • 10
    Coating of strontium oxide on Tungsten cathode in a valve is good for thermionic emission because
    View Solution