Mathematics · AC Circuits

A series-connected load draws a current i(t) = 4 cos(100πt + 10°) A when the applied voltage is v(t) = 120 cos(100πt - 20°) V. The power factor of the load is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

10.707
20.555
30.750
40.866✓

Correct answer

0.866

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A series-connected load draws a current i(t) = 4 cos(100πt + 10°) A when the applied voltage is v(t) = 120 cos(100πt - 20°) V. The power factor of the load is:

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A series-connected load draws a current i(t) = 4 cos(100πt + 10°) A when the applied voltage is v(t) = 120 cos(100πt - 20°) V. The power factor of the load is:

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