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Grade upto college level Engineering Entrance Exams

An alternating current of rms value 10 A is passed through a 12 Ω resistor. The maximum potential difference across the resistor
is
(A) 20 V (B) 90 V (C) 1969.68 V (D) none

Profile image of Amit Saxena
12 Years agoGrade upto college level
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2 Answers

Profile image of Shane Macguire
ApprovedApproved Tutor Answer12 Years ago

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Profile image of Khandavalli Satya Srikanth
12 Years ago

Vrms=Irms*R=10*12=120

Maximum potential difference Vmax=120*sqrt(2)=169.68V

So answer is none


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