1. Beside protection of direct and indirect contact isolation resistance is required for AC (Alternating Current) and DC (Direct Current) systems.

2. For an ohmic resistance or an effective resistance R it is insignificant whether it is connected to a direct current or an alternating current source.

3. A programmable load is a type of instrument emulating both alternating current (AC) and direct current (DC) resistance loads.

4. Alternating current, direct current.

5. Direct-current potentiometers

6. Alternating-current or direct-current motoring dynamometers;

7. Direct design and maintenance functions for the parkways and roads within the system are provided by the DCR Bureau of Engineering.

8. Apparatus for transforming direct current to alternating current

9. Machines for transforming direct current to alternating current

10. DC (direct current) to AC (alternate current) inverters

11. Inverters for transforming direct current to alternating current

12. AC/DC (alternating current/direct current) power supplies

13. Charging current: direct current/alternating current (number of phases/frequency) (3) : ...

14. Direct current (DC)/alternative current (AC) number of phases

15. Direct current is current with no reversals in polarity.

16. Direct current powered air conditioner

17. Alternating current and direct current portable power supply apparatus

18. DC to AC (direct current to alternating current) inverters

19. It is easier to transmit alternating current than direct current.

20. type of power supply (direct current, alternating current, compressed air

21. Voltage transformers for alternating current (AC) and direct current (DC)

22. type of power supply (direct current, alternating current, compressed air);

23. Direct current (DC)/alternative current (AC) (1) number of phases: ...

24. (For a more-detailed discussion of direct- and alternating-current Circuits, see electricity: Direct electric current and electricity

25. A few days later, he got the idea of using a direct resistance instead of a constant current source, and found that it worked.

26. "AC/DC" is an abbreviation meaning "alternating current/direct current" electricity.

27. There a reason you're on direct current?

28. Switch disconnector for galvanic direct current interruption

29. Electric power train consisting of separate Direct Current- or Alternating Current-buses

30. Alternating current and direct current portable power supply apparatus, systems and modules

31. 8 Diodes are electronic devices which rectify alternating current to direct current.

32. Power, voltage, current, impedance, inductance, capacitance, and resistance meters

33. A method and apparatus for converting Direct Current (DC) to Alternating Current (AC).

34. Diode bridge An interconnection of diodes to rectify alternating current to direct current.

35. There a reason you' re on direct current?

36. Bonding In electrical engineering, the process of connecting together metal parts so that they make low resistance electrical contact for direct current and lower frequency alternating currents.

37. The DCR unveiled its final design for the Clippership Connector Monday

38. Control devices for motors for controlling and regulating alternating current and direct current motors

39. The following distribution systems are allowed for direct current and single-phase alternating current:

40. The product concerned includes both direct current voltage lamps and alternating current voltage lamps

41. Alternative current motors (AC motors) or direct current motors (DC motors) for land vehicles

42. The product concerned includes both direct current voltage lamps and alternating current voltage lamps.

43. Servers with alternating current (ac)-direct current (dc) Single-Output Power Supply Units (PSUs)

44. The earth provides a low resistance conducting path for direct cur - rent.

45. Submarine direct-current network comprising high-power energy accumulators

46. Module extraction apparatus of high voltage direct current system

47. Battery banks emit Direct Current (DC) electricity but domestic electrical systems are Alternating Current (AC).

48. Apparatus for converting direct current to alternating current, apparatus for transforming, regulating and controlling electricity

49. And finding alternatives to direct confrontation is at the core of nonviolent resistance.

50. The internal resistance depends on the load resistance and increases with the depolarizing current drawn from the cell battery.

51. Furthermore, the rectifier converts the alternating current into direct current which keeps the accumulator battery charged.

52. The utility model relates to a direct current forcipate ammeter.

53. They found that applying both alternating current (AC) and direct current (DC) could solve this problem.

54. A high-efficiency device (111) for generating alternating current signals from direct current power is disclosed.

55. Are you using alternate or direct current to charge it?

56. Current numerical signal processors are more than capable of performing direct control over the alternating current.

57. The invention relates to an inverter (20) for feeding power, which is provided by a direct-current source (10) by means of a direct-current connection (60), into an alternating-current network (30).

58. They measure accurate 51⁄2-digit DC voltage and current,True-rms AC voltage and current, and resistance measurements.

59. System for measuring the alternating current equivalent series resistance of a conductor

60. The neutral current component of the compound current, in the generally used electric current conductors (i.e. copper, aluminium), proceeds without ohmic resistance, practically.

61. Electric control and regulating apparatus and inverters for transforming direct current from solar cells into alternating current

62. driven by 'on-off’ single phase alternate current' (AC) or ‘brushless direct current’ (BLDC) variable speed motors

63. A driver (308) drives the brushless direct current air curtain fan.

64. Transformers, Substations, Electric equipment, Cabinets (panels) of alternating and direct current.

65. Fan units for asynchronous motors, direct current electric motors, servo-motors

66. The arrays may generate power that is selectively distributed to direct current and alternating current power loads.

67. A direct current (DC) generator, not using a permanent magnet, requires a DC field current for excitation.

68. This current path has a small resistance and no opposing voltage, so the decay of current is relatively slow.

69. This fan is operated by a direct-current 12-volt motor.

70. Research on fuzzy PID control strategy for Brushless direct current motor

71. Recall that Ohm's Law relates the important circuit properties, potential, current, and resistance.

72. Wind and hydraulic machines including pumps, vacuum pumps, blowers, compressors and parts of the afore mentioned machines and devices, starting motors, alternating current motors and direct current motors (except for land vehicles) as well as alternating current generators and direct current generators

73. Continuity refers to how much resistance there is in a closed electrical current

74. Ohm's law tells us electric current is equal to voltage divided by resistance.

75. Alternating current motors (AC motors) or direct current motors (DC motors) for land vehicles (not including (their parts))

76. The movement detector generates a sensor signal (SS) containing a direct current component and an alternating current component.

77. Model electric engines speed controlling regulators, direct current as well as alternating current electric motors for driving models

78. Alternative current motors (AC motors) or direct current motors (DC motors) for land vehicles [not including "their parts"]

79. The plant produces direct current, which after conversion to alternating current is initiated immediately in the power system.

80. Method to enable standard alternating current (ac)/direct current (dc) power adapters to operate in high magnetic fields