1.

Volt ampere characteristics is given by It2 = -600 (V – 60). Arc characteristic is given as Ia = 20 (V – 16). Here I is in Amperes, V is in Volts. The power of stable arc is ______ kW.

A. 5.46
B. 3.463
C. 6.75
D. 2.55
Answer» C. 6.75


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