| 31. | These studies indicate that transcranial direct current stimulation is safe in a single session.
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| 32. | These galvanic exercises employed a monophasic wave form, direct current.
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| 33. | 1960s two-way radio remote control consoles used direct current loops.
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| 34. | Diodes are used in semiconductors to convert electricity from alternating current to direct current.
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| 35. | The direct current produced is an effect of the homopolar nature of the design.
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| 36. | The method of supply was direct current ( DC ).
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| 37. | Inverters change the direct current into alternating current for connection to the electrical grid.
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| 38. | We spoke of alternating current and direct current and who was better at that.
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| 39. | Direct current with a negatively charged electrode ( DCEN ) allows for high penetration.
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| 40. | Third rail systems are always supplied from direct current electricity.
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