Question

电感L=25.5mH与电阻R=6Ω串联,通过的电流i=6.5m(314t+π/6)A,求UR UL和U总

Answer 1

XL=2π f L=2×π×50×25.5×10^-3=2.55Ω

UR=i×R=6.5m(314t+π/6)×6=39m(314t+π/6) V

UL=i×XL=6.5m(314t+π/6)×2.55=16.575m(314t+π/6) V

U总=UR+UL=55.575m(314t+π/6) V

另外问一下,i=6.5m(314t+π/6)A