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On doping Ge metal with a little of gall...

On doping Ge metal with a little of gallium one gets

A

p - type semi conductor

B

n - type semi conductor

C

Insulator

D

Rectifier

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Doping of 'Ge' metal with a little of 'In produces

    A
    P - type semi conductor
    B
    n - type semi conductor
    C
    Insulator
    D
    Rectifier

  • On keeping Na-metal in air for a long time, we get :

    A
    `Na_(2)O`
    B
    `Na_(2)O_(2)`
    C
    `NaO_(2)`
    D
    `Na_(2)CO_(3)`

  • Two pieces of glass plate one upon the other with a little water in between them cannot be separated easily because of

    A
    inertia
    B
    pressure
    C
    surface tension
    D
    viscosity

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