A welding machine draws 18 A of current at 240 V. (a) What is its power rating?
Question:
(a) What is its power rating?
(b) What is its resistance?
(c) When it is inadvertently connected to a 120 V outlet, the current in it is 10 A. Is the machine’s resistance ohmic? Prove your answer.
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a P IV 18 A240 V 43 10 3 W b R ...View the full answer
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