The r.m.s. value of a current given by i = (i₁ cos ωt + i₂ sin ωt) is –

Question

MCQ (Single)Peak and RMS Value of Alternating Current and VoltageCBSE PYQ

A voltage signal is described by : v = V₀ for 0 ≤ t ≤ T/2 = 0 for T/2 ≤ t ≤ T for a cycle. Its rms value is :

The average value of the alternating voltage v = (157 V) sin ωt over its first half-cycle is :