CARD №3

CARD №1

1. a considerable proportion of circuit design

2. essential

3. to neutralize

4. to correspond

5. in most cases

6. winding

7. primary coil

8. secondary coil

9. leakage

10. autotransformer

11. current flux

12. laminated iron core

13. insulated coil

14. magnetizing current

15. counter voltage

16. closed magnetic circuit

17. full-load current

18. eddy-current losses

19. well-designed

20. current effective in setting up

21. the service is out of order

22. due to thermal breaking of bonds

23. primary main wire

24. to be out of order

25. outside terminals

26. at every instant

27. rectification

28. advantage

29. portability

30. to exhaust

31. accidentally

32. to avoid

33. replacement

34. facility

35. nickel-cadmium cell

36. to quote

37. capacity

38. worth

39. to reduce

40. to incorporate

41. a.c. mains

42. to endanger

43. rechargeable

44. tiny “button” cells

45. electric traction

46. topping up

47. low load current

48. to step down

49. half-wave rectifier circuit

50. sandwich of doped semiconductor material

CARD №2

1. full-wave

2. diamond-shaped diode configuration

3. bridge rectifier

4. centre tap

5. conveniently

6. bi-phase

7. permissible load current

8. to avoid excess dissipation

9. to capture

10. emitter follower

11. p-n junction

12. semiconductor device

13. depletion layer

14. external d. c. supply

15. minority carries

16. appropriate polarity

17. the same continuous crystal lattice

18. to fill some holes

19. to leave behind a net positive charge

20. to oppose further migration

21. to reach a state of equilibrium

22. primary leads

23. relative clear of holes

24. explanation

25. to depend on

26. distribution

27. to comprise

28. immediately

29. nearby

30. separation

31. to overlap

32. to refer to

33. both…and

34. property

35. valence band

36. energy gap

37. energy level

38. band gap

39. to apply

40. to increase

41. reduction

42. owing to

43. forward voltage

44. significantly

45. in brief

46. conversion

47. half-wave

48. common arrangement

49. common-emitter circuit

50. reverse-biased

CARD №3

1. forward-biased

2. to be rapidly swept

3. gate

4. readily available

5. to upset

6. to involve considerable waste of power

7. at the same time

8. to be waylaid

9. to supply

10. to constitute

11. equal

12. the number of

13. successful trip

14. of the order of

15. low concentration of holes

16. ratio

17. current gain

18. base current

19. current-controlled device

20. collector current

21. silicon transistor

22. to plot against

23. relationship

24. injected

25. distortion

26. to sweep up by the field

27. the hole population

28. significant fraction

29. prey to recombination

30. complementary circuit

31. outline

32. current-controlled amplifying device

33. field-effect transistor

34. transducer

35. unable to supply

36. significant current

37. JFET

38. insulated gate field-effect transistor

39. source

40. drain

41. to suggest

42. variations in the size

43. test circuit

44. heavily doped

45. to exist entirely in the bar

46. with respect to

47. to distinguish

48. to consider

49. to repel

50. to provide

Дата добавления: 2015-07-10