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An arc welder provides 250A of current when operating with a voltage of 40V. What is the power required by this welder? Explain your answer.

Respuesta :

current given = I = 250 A 
voltage provided = V = 40 v 

Power = P = ?

by formula P=VI
                   P = 40 x 250
                   P = 1000 watt
An arc welder provides 250A of current when operating with a voltage of 40V. 10,000 Watts are required by this welder.

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