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Total resistance in welding is composed of: (i) Resistance of electrode (ii) Contact resistance between electrode and work piece (iii) Contact resistance between two work piece plates (iv) Resistance of work piece Which of the following is correct?

Total resistance in welding is composed of: (i) Resistance of electrode (ii) Contact resistance between electrode and work piece (iii) Contact resistance between two work piece plates (iv) Resistance of work piece Which of the following is correct? Correct Answer I, ii, iii and iv

Total resistance is the equivalent resistance of all resistances present in the welding circuit during the process of welding.

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