the lack of a hot ______ in a transistor redu...
the lack of a hot ______ in a transistor reduces power consumption and eliminates the warm - up time compared to electron tubes.\ncathode\nelectrode\ndiode\nanode
Answer
# Brief Explanations:
In electron - tubes, a hot cathode emits electrons. Transistors don't have a hot cathode, which reduces power consumption and eliminates warm - up time.
# Answer:
A. cathode