# Question

A welding machine draws 18 A of current at 240 V.

(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.

(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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