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Thermionic emissions are related to...

Thermionic emissions are related to

A

conduction

B

convection

C

radiation

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
(b) : Thermionic emissions are emission of electrons, they transport current.
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Knowledge Check

  • Thermionic emission from a heated filament varies with its temperature T as

    A
    `T^(-1)`
    B
    `T`
    C
    `T^(2)`
    D
    `T^(3//2)`

  • Mass emission norms are related to

    A
    CO
    B
    hydrocarbons
    C
    NO2
    D
    All of these

  • The thermionic emission of electron is due to

    A
    Electromagnetic field
    B
    Electrostatic field
    C
    High temperature
    D
    Photoelectric effect