The forbidden energy band gap in conductors, semiconductors and insulators are $E G_1, E G_2$ and $E G_3$ respectively. The relation among them is
  • A(a) $E G_1=E G_2=E G_3$
  • B(b) $E G_1
  • C(c) $E G_1>E G_2>E G_3$
  • D(d) $E G_1E G_3$
[MP PMT 1994; RPMT 1997]
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
    In a diode valve the cathode temperature must be ( $\phi=$ work function)
    View Solution
  • 2
    To obtain a $P$-type germanium semiconductor, it must be doped with
    View Solution
  • 3
    Holes are charge carriers in
    View Solution
  • 4
    In NPN transistor the collector current is $10\ mA$. If  $90 \%$ of electrons emitted reach the collector, then
    View Solution
  • 5
    In a transistor, a change of $8.0 mA$ in the emitter current produces a change of $7.8 mA$ in the collector current. What change in the base current is necessary to produce the same change in the collector current
    View Solution
  • 6
    In a transistor circuit shown here the base current is $35 \mu A$. The value of the resistor $R$ is
    Image
    View Solution
  • 7
    If $\alpha=0.98$ and current through emitter $i=20\ mA$, the value of $\beta$ is
    View Solution
  • 8
    The energy band diagrams for three semiconductor samples of silicon are as shown. We can then assert thatImage
    View Solution
  • 9
    In P-type semiconductor, there is
    View Solution
  • 10
    GaAs is
    View Solution