Physics · Electromagnetic Induction
By which of the following methods is the output welding current primarily regulated in an AC welding transformer?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Directly modifying the external load circuit demand
- 2Utilizing an external coupled auxiliary electric motor
- 3Varying the internal magnetic flux linkage using a movable core or shunt✓
- 4Stepping up the applied primary input voltage
Correct answer
Varying the internal magnetic flux linkage using a movable core or shunt
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