Exercise: Electronic Devices And Circuits

Questions for: Electronic Devices And Circuits

Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface.
A:
True
B:
False
C:
D:
Answer: B

Work function is the minimum energy required by the fastest electron at 0 K to escape from the metal surface.

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At room temperature the current in an intrinsic semiconductor is due to
A:
holes
B:
electrons
C:
ions
D:
holes and electrons
Answer: D

Intrinsic material has equal number of holes and electrons.

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