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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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