If $n_e$ and $n_h$ are the number of electrons and holes in a semiconductor heavily doped with phosphorus, then
  • A$n_e>>n_h$
  • B$n_e\lt n_h$
  • C$n_e \leq n_h$
  • D$n_e=n_h$
[MP PMT 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 slope of plate characteristic of a vacuum diode is $2 \times 10^{-2} \ mA / V$. The plate resistance of diode will be
    View Solution
  • 2
    The electrical circuit used to get smooth $d c$ output from a rectifier circuit is called
    View Solution
  • 3
    The amplification factor of a triode is $50.$ If the grid potential is decreased by $0.20\ V$, what increase in plate potential will keep the plate current unchanged
    View Solution
  • 4
    In a triode, $g_m=2 \times 10^{-3} ohm ^{-1} ; \mu=42$, resistance load, $R=50$ kilo ohm. The voltage amplification obtained from this triode will be
    View Solution
  • 5
    In the diagram, the input is across the terminals $A$ and $C$ and the output is across the terminals $B$ and $D$, then the output is
    Image
    View Solution
  • 6
    When the temperature of silicon sample is increased from $27^{\circ} C$ to $100^{\circ} C$, the conductivity of silicon will be
    View Solution
  • 7
    The amplification produced by a triode is due to the action of
    View Solution
  • 8
    Coating of strontium oxide on Tungsten cathode in a valve is good for thermionic emission because
    View Solution
  • 9
    In the forward bias arrangement of a $P N$-junction diode
    View Solution
  • 10
    The temperature $(T)$ dependence of resistivity $(\rho)$ of a semiconductor is represented by
    View Solution