Solve this: Solve this: 169. The current 'i' through a wire varies with time t as shown in the figure. The effective (rms) value of the current is 2 -2 (3) 2+2VäA Sine wave Share with your friends Share 3 Sanjay Singh answered this Dear student The equation of current isi=2+4sinωtso square of rms current is irms2=∫0Ti2 dtTirms2=∫0T(4+16sin2ωt+8sinωt) dtTi2rms=∫0T4dtT+16∫0Tsin2ωtdtT+8∫0TsinωtdtT8∫0TsinωtdtT=0 and ∫0Tsin2ωtdtT= ∫0T(1-cos2ωt)dtT=∫0TdtT-∫0Tcos2ωtdtT=T2-0=T2i2rms=4+162+0i2rms=12irms=12=23ARegards 5 View Full Answer Kartik Kumar Athani answered this 2+2X1.41A 1