SSC JE Electrical 2018 with solution SET-1
The main drawback of resistance welding is

Difficult shapes and sections cannot be welded
Only similar metals can be welded
High initial as well as High maintenance cost
None of these

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SSC JE Electrical 2018 with solution SET-1
 What is the value of current I4 (in A) for the given junction?

−4
−6
6
4

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