The equation of an alternating current is given as i(t) = 100 \sin 100 \\pit. Find the instantaneous value after (1/600) seconds.

SSE JE Electrical Engineering 24 March 2021 Shift 2 Paper

Question : 138 of 200

Marks: +1, -0

The equation of an alternating current is given as

i(t) = 100 \sin 100 \πt

. Find the instantaneous value after

(1/600)

seconds.

Solution:

Given alternating current equation is

i(t) = 100 \sin 100 \πt

Instantaneous value at

t = 1/600

seconds is

i = 100 \sin 100 \π(1/600)

i = 100 \sin \π/6

i = 100/2 = 50 \A

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