EXERCISES. 1. Why is the plate current zero through the tube?
1. Review questions:
1. Why is the plate current zero through the tube?
2. What is the cut-off bias? 3. When does the plate current continue to increase? 4. When does a large plate-current flow through the tube take place? 5. When does the plate current
reach its saturation value? 6. Under what conditions is power dissipated in the grid circuit? 7. Why are generally electron tubes operated at negative grid potentials with respect to the cathode?
П. Make up an abstract of the text basing on the answers to the above questions.
III. Translate the International words without a dictionary: to produce, to neutralize, to accumulate, to reverse, to
summarize, to illustrate, to stop, to operate, to select, to bombard, to convert, to class, to utilize
IV. Define what parts of speech these words are and trans late them:
regulator, regulation; normal, abnormal, normally; accumulator, accumulation; mover, movement, remove, removal, movable, immovable; consequence, consequent, consequently; misuse; predetermine
V. Translate these synonyms and memorize them:
1. zero (я), naught, cipher, 0
2. damage (v), break, destroy
3. aid (v), help
4. present (v), represent
5. can (v), be able ,-
6. make (v), produce, manufacture, do, fabricate
7. remove (v), draw away, take away
8. near (adv), close to
9. call (v), name, term 10. cause (v), give rise to
VI. Translate these words and word combinations and memo rize them:
under... conditions, further, consequently, that is, thus, somewhat, either... or, similar, no longer, actually
III.
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