A hole and electron in close proximity would tend to________________?

Related Mcqs:

1. A hole in a semiconductor is defined as_________________?

   A. A free electron
   B. The incomplete part of an electron pair bond
   C. A free proton
   D. A free neutron

2. A 25eV electron has a speed of______________?

   A. 2 x 106m/sec
   B. 3 x 106m/sec
   C. 5 x 106m/sec
   D. 4 x 106m/sec

3. In a semiconductor, current conduction is due to________________?

   A. Only holes
   B. Only free electrons
   C. Holes and free electrons
   D. None of the above

4. The leakage current across a pn junction is due to________________?

   A. Minority carriers
   B. Majority carriers
   C. Junction capacitance
   D. None of the above

5. The friction at the track is proportional to________________?

   A. 1/speed
   B. l/(speed)2
   C. speed
   D. none of the above

6. The size of a power transistor is made considerably large to________________?

   A. Provide easy handling
   B. Dissipate heat
   C. Facilitate connections
   D. None of the above

7. When a pure semiconductor is heated, its resistance_________________?

   A. Goes up
   B. Goes down
   C. Remains the same
   D. Can’t say

8. The most commonly used semiconductor is________________?

   A. Germanium
   B. Silicon
   C. Carbon
   D. Sulphur

9. The resistivity of pure germanium under standard conditions is about_______________?

   A. 6 x 104 cm
   B. 60 x cm
   C. 3 x 106 cm
   D. 6 x 10-4 cm

10. In the depletion region of a pn junction, there is a shortage of_________________?

    A. Acceptor ions
    B. Holes and electrons
    C. Donor ions
    D. None of the above