In intrinsic semiconductor at room temperature, number of electrons and holes are
  • A
    Unequal
  • B
    Equal
  • C
    Infinite
  • D
    Zero
[JIPMER 2001, 02; MP PMT 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
    For the given circuit of $P N$-junction diode, which of the following statement is correctImage
    View Solution
  • 2
    A piece of copper and the other of germanium are cooled from the room temperature to $80 K$, then which of the following would be a correct statement
    View Solution
  • 3
    To a germanium sample, traces of gallium are added as an impurity. The resultant sample would behave like
    View Solution
  • 4
    In extrinsic $P$ and $N$-type, semiconductor materials, the ratio of the impurity atoms to the pure semiconductor atoms is about
    View Solution
  • 5
    $P$-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
  • 6
    While a collector to emitter voltage is constant in a transistor, the collector current changes by $8.2 mA$ when the emitter current changes by $8.3 mA$. The value of forward current ratio $h$ is
    View Solution
  • 7
    In a diode valve the cathode temperature must be ( $\phi=$ work function)
    View Solution
  • 8
    The mobility of free electron is greater than that of free holes because
    View Solution
  • 9
    The resistance of a germanium junction diode whose $V-I$ is shown in figure is $\left(V_k=0.3 V \right)$Image
    View Solution
  • 10
    Consider the following statements $A$ and $B$ and identify the correct choice of the given answers$A$ : The width of the depletion layer in a $P-N$ junction diode increases in forwards bias$B$ : In an intrinsic semiconductor the fermi energy level is exactly in the middle of the forbidden gap
    View Solution