Given, inductance of inductor, L=60mH =60×10−3H Phase difference between voltage and current in L−R circuit, θ1=60∘ Capacitance of capacitor, C=0.5µF=0.5×10−6F Phase difference between voltage and current in R−C circuit, θ2=30∘ For L- R circuit, tanθ1=
XL
R
tanθ1=
ωL
R
. . .(i) [∵XL=ωL] Similarly, for R - C circuit, tanθ2=