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19. In electric welding, arc blow can be avoided by a. increasing arc length b. using bare electrodes C. using ac welding machines d. welding away from earth ground connection 20. The space charge in vacuum tubes a. b. C. d. is negatively charged has repelling effect on electrons limits the flow of plate current all of these

19. In electric welding, arc blow can be avoided by a. increasing arc length b. using bare electrodes C. using ac welding machines d. welding away from earth ground connection 20. The space charge in vacuum tubes a. b. C. d. is negatively charged has repelling effect on electrons limits the flow of plate current all of these

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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19. In electric welding, arc blow can be avoided by a. increasing arc length using bare electrodes b. C. using ac welding machines d. welding away from earth ground connection 20. The space charge in vacuum tubes a. b. C. d. is negatively charged has repelling effect on electrons limits the flow of plate current all of these
Transcribed Image Text:19. In electric welding, arc blow can be avoided by a. increasing arc length using bare electrodes b. C. using ac welding machines d. welding away from earth ground connection 20. The space charge in vacuum tubes a. b. C. d. is negatively charged has repelling effect on electrons limits the flow of plate current all of these
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