A pure semiconductor behaves slightly as a conductor at
  • A
    Room temperature
  • B
    Low temperature
  • C
    High temperature
  • D
    Both (b) and (c)
[CBSE PMT 1996; AIEEE 2002]
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 energy band gap of $S i$ is
    View Solution
  • 2
    If the forward voltage in a semiconductor diode is doubled, the width of the depletion layer will
    View Solution
  • 3
    In a triode amplifier, the value of maximum gain is equal to
    View Solution
  • 4
    For a thermionic emitter (metallic) if $J$ represents the current density and $T$ is its absolute temperature then the correct curve between $\log _e \frac{J}{T^2}$ and $\frac{1}{T}$ is
    View Solution
  • 5
    For a given triode $\mu=20$. The load resistance is $1.5$ times the anode resistance. The maximum gain will be
    View Solution
  • 6
    The width of forbidden gap in silicon crystal is $1.1\ eV$. When the crystal is converted in to a $N$-type semiconductor the distance of Fermi level from conduction band is
    View Solution
  • 7
    The valence band and conduction band of a solid overlap at low temperature, the solid may be
    View Solution
  • 8
    In a $P$-type semi-conductor, germanium is dopped with
    View Solution
  • 9
    A semiconductor device is connected in a series circuit with a battery and a resistance. A current is found to pass through the circuit. If the polarity of the battery is reversed, the current drops almost to zero. The device may be
    View Solution
  • 10
    In forward bias, the width of potential barrier in a $P-N$ junction diode
    View Solution