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An n-type semi- conductor is...

An n-type semi- conductor is

A

Positively charged

B

Negatively charged

C

Either positively charged or negatively charged

D

Electrically neutral

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • Fermi level of n-type semi-conductor lies in:-

    A
    just above valence band
    B
    just below conduction band
    C
    Between valence and conduction band
    D
    None of these

  • In a P -type semi-conductor is heated

    A
    Gallium
    B
    Boron
    C
    Aluminium
    D
    All of these

  • p-type semi conduor is

    A
    negatively charged
    B
    positively charged
    C
    neutral
    D
    may be positive or negative
    • AAKASH INSTITUTE-SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS-Assignment (Section -B (Objective type question (one option is correct))
    1. An n-type semi- conductor is

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    2. In a common emitter amplifier, the phase difference between the input ...

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    3. The zener diode can be used as

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    4. In order to obtain amplifying action from a transistor , the transisto...

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    5. In the cut-off state of the transistor,

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    6. In which of the configuration of a transistor , the power gain is high...

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    7. The emitter region in a PNP-junction transistor is more heavily doped ...

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    8. There is a gate with two inputs A and B, and one output Y. using the i...

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    9. In a P-N junction , for a 0.2 V change in the forward bias voltage, th...

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    10. An n-type semiconductor has donor levels at 500 meV above the valence ...

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    11. In a common emitter amplifier , when a signal of 40 mV is added to the...

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    12. The output of the given logic gate is

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    13. Two identical capacitors A and B are charged to the same potential V a...

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    14. The relationship between alpha and beta is given by

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    15. Two identical p-n junctions may be connected in series in which a batt...

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    16. In a silicon transistor, a change of 7.89 mA in the emitter current pr...

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    17. In a doped semiconductor, the impurity level is 40 meV above the valen...

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    18. In the diagram, the input is across the terminals A and C and the outp...

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    19. In the given figure, a transistor is connected in common emitter confi...

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    20. A transistor is used in Common-emitter mode in an amplifier circuits. ...

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