Mathematics · AC Circuits
The instantaneous power (P) across a 200 Ω resistor having an alternating voltage V = 20 sin(300t) Volts is given by which of the following expressions?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 18 sin2(300t) Watts
- 26 sin2(300t) Watts
- 34 sin2(300t) Watts
- 42 sin2(300t) Watts✓
Correct answer
2 sin2(300t) Watts
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