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The mobility of electrons when compared ...

The mobility of electrons when compared tot hat of holes is

A

greater

B

smaller

C

same

D

all the above are possible.

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The mobility of free electrons is greater then that of free holes because

    A
    they carry negative charge
    B
    they are light
    C
    their matual collisions are less
    D
    they require low energy to continue their motion

  • The mobility of free electron is greater than that of free holes because they

    A
    Carry negativ charge
    B
    Are light
    C
    Mutually collide less
    D
    Require low energy to continue their motion

  • Assertion : For a given applied voltage, conduction current in n-type semiconductor is more than in p-type semiconductors. Reason : Mobility of electrons is greater than that of holes.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion
    B
    If both assertion and reason are true but the reason is not the correct explanation of the assertion
    C
    If assertio is true statement but reason is false.
    D
    If both assertion and reason are false statement

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    The contribution in the total current flowing through a semiconductor due to electrons and holes are 3/4 and 1/4 respectively. If the drift velocity of electrons is 5/2 times that of holes at this temperature, then the ratio of concentration of electrons and holes is

    Mobility of free electrons in a conductor is

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