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An 1600 w arc welder is connected to a 660-Vrms ac line. Part A Calculate the peak voltage Express your answer using two significant figures. peak Submit My Answers Give Up Part B Calculate the peak current. Express your answer using two significant figures. Ipeak Submit My Answers Give Up

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Answer #1


part A


peak voltage Vpeak = Vrms*sqrt2

Vpeak = 660*sqrt2 = 933.4 V   <<<_________answer


============


part B

power P = Vrms*Irms

1600 = 660*Irms


Irms = 2.42 A


peak current Ipeak = Irms*sqrt2

Ipeak = 2.42*sqrt2 = 3.42 A <<<_________answer

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