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cse โ€ข paper_1 โ€ข electrodynamics

[UPSC CSE 2016] Electrostatics and Magnetostatics (Q107, 10M)

An alternating current varying sinusoidally with a frequency of 50 Hz has an r.m.s. value of 40 A. Find the instantaneous value of the current at 0.00125 second after passing through maximum positive value.

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