The source of emission of electrons in a circuit is ______________ Options: A . &nbspp-n junction diode B . &nbspa barium and strontium oxide coated cathode C . &nbspaccelerating anode D . &nbsppost-accelerating anode

The source of emission of electrons in a circuit is _____________

Question

The source of emission of electrons in a circuit is ______________

Options:

A . p-n junction diode

B . a barium and strontium oxide coated cathode

C . accelerating anode

D . post-accelerating anode

Answer: Option D
Answer: (d).post-accelerating anode

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