Physics · Alternating Current
An alternating current is given by the expression: i = i1 cos(ωt) + i2 sin(ωt). The root mean square (rms) value of this current is given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1i12 + i222
- 2i12 + i22√2
- 3√(i12 + i22)√2✓
- 4i1 + i2√2
Correct answer
√(i12 + i22)√2
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