Physics · Industrial Heating
What is done to increase or decrease the length of the arc in arc heating systems?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Move the electrode upward or downward to change the gap between electrodes✓
- 2Change the transformer tapping
- 3Vary the supply voltage automatically
- 4Vary the composition of the atmosphere
Correct answer
Move the electrode upward or downward to change the gap between electrodes
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